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-rw-r--r--arch/alpha/include/asm/pgtable.h2
-rw-r--r--arch/arm/include/asm/pgtable.h14
-rw-r--r--arch/arm/mm/fault-armv.c4
-rw-r--r--arch/arm/mm/pgd.c4
-rw-r--r--arch/avr32/include/asm/pgtable.h2
-rw-r--r--arch/cris/include/asm/pgtable.h2
-rw-r--r--arch/frv/include/asm/pgtable.h9
-rw-r--r--arch/ia64/include/asm/pgtable.h2
-rw-r--r--arch/m32r/include/asm/pgtable.h2
-rw-r--r--arch/m68k/include/asm/motorola_pgtable.h2
-rw-r--r--arch/m68k/include/asm/sun3_pgtable.h2
-rw-r--r--arch/microblaze/include/asm/pgtable.h7
-rw-r--r--arch/mips/include/asm/pgtable-32.h3
-rw-r--r--arch/mips/include/asm/pgtable-64.h3
-rw-r--r--arch/mn10300/include/asm/pgtable.h2
-rw-r--r--arch/parisc/include/asm/pgtable.h2
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc32.h8
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc64.h2
-rw-r--r--arch/s390/include/asm/pgtable.h2
-rw-r--r--arch/score/include/asm/pgtable.h3
-rw-r--r--arch/sh/include/asm/pgtable_32.h3
-rw-r--r--arch/sh/include/asm/pgtable_64.h2
-rw-r--r--arch/sparc/include/asm/pgtable_32.h3
-rw-r--r--arch/sparc/include/asm/pgtable_64.h2
-rw-r--r--arch/tile/include/asm/pgtable.h5
-rw-r--r--arch/um/include/asm/pgtable.h2
-rw-r--r--arch/x86/include/asm/pgtable_32.h14
-rw-r--r--arch/x86/include/asm/pgtable_64.h2
-rw-r--r--arch/xtensa/include/asm/pgtable.h3
-rw-r--r--mm/memory.c4
-rw-r--r--mm/mremap.c4
31 files changed, 22 insertions, 99 deletions
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
index 71a24329414..de98a732683 100644
--- a/arch/alpha/include/asm/pgtable.h
+++ b/arch/alpha/include/asm/pgtable.h
@@ -318,9 +318,7 @@ extern inline pte_t * pte_offset_kernel(pmd_t * dir, unsigned long address)
}
#define pte_offset_map(dir,addr) pte_offset_kernel((dir),(addr))
-#define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir),(addr))
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
extern pgd_t swapper_pg_dir[1024];
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index a9672e8406a..b155414192d 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -263,17 +263,15 @@ extern struct page *empty_zero_page;
#define pte_page(pte) (pfn_to_page(pte_pfn(pte)))
#define pte_offset_kernel(dir,addr) (pmd_page_vaddr(*(dir)) + __pte_index(addr))
-#define pte_offset_map(dir,addr) (__pte_map(dir, KM_PTE0) + __pte_index(addr))
-#define pte_offset_map_nested(dir,addr) (__pte_map(dir, KM_PTE1) + __pte_index(addr))
-#define pte_unmap(pte) __pte_unmap(pte, KM_PTE0)
-#define pte_unmap_nested(pte) __pte_unmap(pte, KM_PTE1)
+#define pte_offset_map(dir,addr) (__pte_map(dir) + __pte_index(addr))
+#define pte_unmap(pte) __pte_unmap(pte)
#ifndef CONFIG_HIGHPTE
-#define __pte_map(dir,km) pmd_page_vaddr(*(dir))
-#define __pte_unmap(pte,km) do { } while (0)
+#define __pte_map(dir) pmd_page_vaddr(*(dir))
+#define __pte_unmap(pte) do { } while (0)
#else
-#define __pte_map(dir,km) ((pte_t *)kmap_atomic(pmd_page(*(dir)), km) + PTRS_PER_PTE)
-#define __pte_unmap(pte,km) kunmap_atomic((pte - PTRS_PER_PTE), km)
+#define __pte_map(dir) ((pte_t *)kmap_atomic(pmd_page(*(dir))) + PTRS_PER_PTE)
+#define __pte_unmap(pte) kunmap_atomic((pte - PTRS_PER_PTE))
#endif
#define set_pte_ext(ptep,pte,ext) cpu_set_pte_ext(ptep,pte,ext)
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c
index 8440d952ba6..c493d7244d3 100644
--- a/arch/arm/mm/fault-armv.c
+++ b/arch/arm/mm/fault-armv.c
@@ -89,13 +89,13 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address,
* open-code the spin-locking.
*/
ptl = pte_lockptr(vma->vm_mm, pmd);
- pte = pte_offset_map_nested(pmd, address);
+ pte = pte_offset_map(pmd, address);
spin_lock(ptl);
ret = do_adjust_pte(vma, address, pfn, pte);
spin_unlock(ptl);
- pte_unmap_nested(pte);
+ pte_unmap(pte);
return ret;
}
diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c
index be5f58e153b..69bbfc6645a 100644
--- a/arch/arm/mm/pgd.c
+++ b/arch/arm/mm/pgd.c
@@ -57,9 +57,9 @@ pgd_t *get_pgd_slow(struct mm_struct *mm)
goto no_pte;
init_pmd = pmd_offset(init_pgd, 0);
- init_pte = pte_offset_map_nested(init_pmd, 0);
+ init_pte = pte_offset_map(init_pmd, 0);
set_pte_ext(new_pte, *init_pte, 0);
- pte_unmap_nested(init_pte);
+ pte_unmap(init_pte);
pte_unmap(new_pte);
}
diff --git a/arch/avr32/include/asm/pgtable.h b/arch/avr32/include/asm/pgtable.h
index a9ae30c41e7..6fbfea61f7b 100644
--- a/arch/avr32/include/asm/pgtable.h
+++ b/arch/avr32/include/asm/pgtable.h
@@ -319,9 +319,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#define pte_offset_kernel(dir, address) \
((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address))
#define pte_offset_map(dir, address) pte_offset_kernel(dir, address)
-#define pte_offset_map_nested(dir, address) pte_offset_kernel(dir, address)
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
struct vm_area_struct;
extern void update_mmu_cache(struct vm_area_struct * vma,
diff --git a/arch/cris/include/asm/pgtable.h b/arch/cris/include/asm/pgtable.h
index f63d6fccbc6..9eaae217b21 100644
--- a/arch/cris/include/asm/pgtable.h
+++ b/arch/cris/include/asm/pgtable.h
@@ -248,10 +248,8 @@ static inline pgd_t * pgd_offset(const struct mm_struct *mm, unsigned long addre
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
-#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address)
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
#define pte_pfn(x) ((unsigned long)(__va((x).pte)) >> PAGE_SHIFT)
#define pfn_pte(pfn, prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
diff --git a/arch/frv/include/asm/pgtable.h b/arch/frv/include/asm/pgtable.h
index c18b0d32e63..6bc241e4b4f 100644
--- a/arch/frv/include/asm/pgtable.h
+++ b/arch/frv/include/asm/pgtable.h
@@ -451,17 +451,12 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#if defined(CONFIG_HIGHPTE)
#define pte_offset_map(dir, address) \
- ((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE0) + pte_index(address))
-#define pte_offset_map_nested(dir, address) \
- ((pte_t *)kmap_atomic(pmd_page(*(dir)),KM_PTE1) + pte_index(address))
-#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0)
-#define pte_unmap_nested(pte) kunmap_atomic((pte), KM_PTE1)
+ ((pte_t *)kmap_atomic(pmd_page(*(dir))) + pte_index(address))
+#define pte_unmap(pte) kunmap_atomic(pte)
#else
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address))
-#define pte_offset_map_nested(dir, address) pte_offset_map((dir), (address))
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
#endif
/*
diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
index c3286f42e50..1a97af31ef1 100644
--- a/arch/ia64/include/asm/pgtable.h
+++ b/arch/ia64/include/asm/pgtable.h
@@ -406,9 +406,7 @@ pgd_offset (const struct mm_struct *mm, unsigned long address)
#define pte_index(addr) (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
#define pte_offset_kernel(dir,addr) ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(addr))
#define pte_offset_map(dir,addr) pte_offset_kernel(dir, addr)
-#define pte_offset_map_nested(dir,addr) pte_offset_map(dir, addr)
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
/* atomic versions of the some PTE manipulations: */
diff --git a/arch/m32r/include/asm/pgtable.h b/arch/m32r/include/asm/pgtable.h
index e6359c566b5..8a28cfea272 100644
--- a/arch/m32r/include/asm/pgtable.h
+++ b/arch/m32r/include/asm/pgtable.h
@@ -332,9 +332,7 @@ static inline void pmd_set(pmd_t * pmdp, pte_t * ptep)
((pte_t *)pmd_page_vaddr(*(dir)) + pte_index(address))
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address))
-#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address)
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
/* Encode and de-code a swap entry */
#define __swp_type(x) (((x).val >> 2) & 0x1f)
diff --git a/arch/m68k/include/asm/motorola_pgtable.h b/arch/m68k/include/asm/motorola_pgtable.h
index 8e9a8a754dd..45bd3f589bf 100644
--- a/arch/m68k/include/asm/motorola_pgtable.h
+++ b/arch/m68k/include/asm/motorola_pgtable.h
@@ -221,9 +221,7 @@ static inline pte_t *pte_offset_kernel(pmd_t *pmdp, unsigned long address)
}
#define pte_offset_map(pmdp,address) ((pte_t *)__pmd_page(*pmdp) + (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
-#define pte_offset_map_nested(pmdp, address) pte_offset_map(pmdp, address)
#define pte_unmap(pte) ((void)0)
-#define pte_unmap_nested(pte) ((void)0)
/*
* Allocate and free page tables. The xxx_kernel() versions are
diff --git a/arch/m68k/include/asm/sun3_pgtable.h b/arch/m68k/include/asm/sun3_pgtable.h
index f847ec732d6..cf5fad9b525 100644
--- a/arch/m68k/include/asm/sun3_pgtable.h
+++ b/arch/m68k/include/asm/sun3_pgtable.h
@@ -219,9 +219,7 @@ static inline pte_t pgoff_to_pte(unsigned off)
#define pte_offset_kernel(pmd, address) ((pte_t *) __pmd_page(*pmd) + pte_index(address))
/* FIXME: should we bother with kmap() here? */
#define pte_offset_map(pmd, address) ((pte_t *)kmap(pmd_page(*pmd)) + pte_index(address))
-#define pte_offset_map_nested(pmd, address) pte_offset_map(pmd, address)
#define pte_unmap(pte) kunmap(pte)
-#define pte_unmap_nested(pte) kunmap(pte)
/* Macros to (de)construct the fake PTEs representing swap pages. */
#define __swp_type(x) ((x).val & 0x7F)
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index d4f421672d3..cae268c22ba 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -504,12 +504,9 @@ static inline pmd_t *pmd_offset(pgd_t *dir, unsigned long address)
#define pte_offset_kernel(dir, addr) \
((pte_t *) pmd_page_kernel(*(dir)) + pte_index(addr))
#define pte_offset_map(dir, addr) \
- ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE0) + pte_index(addr))
-#define pte_offset_map_nested(dir, addr) \
- ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE1) + pte_index(addr))
+ ((pte_t *) kmap_atomic(pmd_page(*(dir))) + pte_index(addr))
-#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0)
-#define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1)
+#define pte_unmap(pte) kunmap_atomic(pte)
/* Encode and decode a nonlinear file mapping entry */
#define PTE_FILE_MAX_BITS 29
diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h
index ae90412556d..8a153d2fa62 100644
--- a/arch/mips/include/asm/pgtable-32.h
+++ b/arch/mips/include/asm/pgtable-32.h
@@ -154,10 +154,7 @@ pfn_pte(unsigned long pfn, pgprot_t prot)
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
-#define pte_offset_map_nested(dir, address) \
- ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
#define pte_unmap(pte) ((void)(pte))
-#define pte_unmap_nested(pte) ((void)(pte))
#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
diff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h
index 1be4b0fa30d..f00896087dd 100644
--- a/arch/mips/include/asm/pgtable-64.h
+++ b/arch/mips/include/asm/pgtable-64.h
@@ -257,10 +257,7 @@ static inline pmd_t *pmd_offset(pud_t * pud, unsigned long address)
((pte_t *) pmd_page_vaddr(*(dir)) + __pte_offset(address))
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
-#define pte_offset_map_nested(dir, address) \
- ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
#define pte_unmap(pte) ((void)(pte))
-#define pte_unmap_nested(pte) ((void)(pte))
/*
* Initialize a new pgd / pmd table with invalid pointers.
diff --git a/arch/mn10300/include/asm/pgtable.h b/arch/mn10300/include/asm/pgtable.h
index 16d88577f3e..b049a8bd157 100644
--- a/arch/mn10300/include/asm/pgtable.h
+++ b/arch/mn10300/include/asm/pgtable.h
@@ -457,9 +457,7 @@ static inline int set_kernel_exec(unsigned long vaddr, int enable)
#define pte_offset_map(dir, address) \
((pte_t *) page_address(pmd_page(*(dir))) + pte_index(address))
-#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address)
#define pte_unmap(pte) do {} while (0)
-#define pte_unmap_nested(pte) do {} while (0)
/*
* The MN10300 has external MMU info in the form of a TLB: this is adapted from
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 01c15035e78..865f37a8a88 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -397,9 +397,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#define pte_offset_kernel(pmd, address) \
((pte_t *) pmd_page_vaddr(*(pmd)) + pte_index(address))
#define pte_offset_map(pmd, address) pte_offset_kernel(pmd, address)
-#define pte_offset_map_nested(pmd, address) pte_offset_kernel(pmd, address)
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
#define pte_unmap(pte) do { } while (0)
#define pte_unmap_nested(pte) do { } while (0)
diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h
index a7db96f2b5c..47edde8c355 100644
--- a/arch/powerpc/include/asm/pgtable-ppc32.h
+++ b/arch/powerpc/include/asm/pgtable-ppc32.h
@@ -308,12 +308,8 @@ static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry)
#define pte_offset_kernel(dir, addr) \
((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(addr))
#define pte_offset_map(dir, addr) \
- ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE0) + pte_index(addr))
-#define pte_offset_map_nested(dir, addr) \
- ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE1) + pte_index(addr))
-
-#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0)
-#define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1)
+ ((pte_t *) kmap_atomic(pmd_page(*(dir))) + pte_index(addr))
+#define pte_unmap(pte) kunmap_atomic(pte)
/*
* Encode and decode a swap entry.
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index 49865045d56..2b09cd522d3 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -193,9 +193,7 @@
(((pte_t *) pmd_page_vaddr(*(dir))) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
#define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr))
-#define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir), (addr))
#define pte_unmap(pte) do { } while(0)
-#define pte_unmap_nested(pte) do { } while(0)
/* to find an entry in a kernel page-table-directory */
/* This now only contains the vmalloc pages */
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 986dc9476c2..02ace3491c5 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1094,9 +1094,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
#define pte_offset(pmd, addr) ((pte_t *) pmd_deref(*(pmd)) + pte_index(addr))
#define pte_offset_kernel(pmd, address) pte_offset(pmd,address)
#define pte_offset_map(pmd, address) pte_offset_kernel(pmd, address)
-#define pte_offset_map_nested(pmd, address) pte_offset_kernel(pmd, address)
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
/*
* 31 bit swap entry format:
diff --git a/arch/score/include/asm/pgtable.h b/arch/score/include/asm/pgtable.h
index ccf38f06c57..2fd46980768 100644
--- a/arch/score/include/asm/pgtable.h
+++ b/arch/score/include/asm/pgtable.h
@@ -88,10 +88,7 @@ static inline void pmd_clear(pmd_t *pmdp)
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
-#define pte_offset_map_nested(dir, address) \
- ((pte_t *)page_address(pmd_page(*(dir))) + __pte_offset(address))
#define pte_unmap(pte) ((void)(pte))
-#define pte_unmap_nested(pte) ((void)(pte))
/*
* Bits 9(_PAGE_PRESENT) and 10(_PAGE_FILE)are taken,
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h
index e172d696e52..69fdfbf14ea 100644
--- a/arch/sh/include/asm/pgtable_32.h
+++ b/arch/sh/include/asm/pgtable_32.h
@@ -429,10 +429,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
#define pte_offset_kernel(dir, address) \
((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address))
#define pte_offset_map(dir, address) pte_offset_kernel(dir, address)
-#define pte_offset_map_nested(dir, address) pte_offset_kernel(dir, address)
-
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
#ifdef CONFIG_X2TLB
#define pte_ERROR(e) \
diff --git a/arch/sh/include/asm/pgtable_64.h b/arch/sh/include/asm/pgtable_64.h
index 0ee46776dad..10a48111226 100644
--- a/arch/sh/include/asm/pgtable_64.h
+++ b/arch/sh/include/asm/pgtable_64.h
@@ -84,9 +84,7 @@ static __inline__ void set_pte(pte_t *pteptr, pte_t pteval)
((pte_t *) ((pmd_val(*(dir))) & PAGE_MASK) + pte_index((addr)))
#define pte_offset_map(dir,addr) pte_offset_kernel(dir, addr)
-#define pte_offset_map_nested(dir,addr) pte_offset_kernel(dir, addr)
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
#ifndef __ASSEMBLY__
#define IOBASE_VADDR 0xff000000
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index 0ece77f4775..303bd4dc829 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -304,10 +304,7 @@ BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long)
* and sun4c is guaranteed to have no highmem anyway.
*/
#define pte_offset_map(d, a) pte_offset_kernel(d,a)
-#define pte_offset_map_nested(d, a) pte_offset_kernel(d,a)
-
#define pte_unmap(pte) do{}while(0)
-#define pte_unmap_nested(pte) do{}while(0)
/* Certain architectures need to do special things when pte's
* within a page table are directly modified. Thus, the following
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index f5b5fa76c02..f8dddb7045b 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -652,9 +652,7 @@ static inline int pte_special(pte_t pte)
((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
#define pte_offset_kernel pte_index
#define pte_offset_map pte_index
-#define pte_offset_map_nested pte_index
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
/* Actual page table PTE updates. */
extern void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig);
diff --git a/arch/tile/include/asm/pgtable.h b/arch/tile/include/asm/pgtable.h
index b3367379d53..dc4ccdd855b 100644
--- a/arch/tile/include/asm/pgtable.h
+++ b/arch/tile/include/asm/pgtable.h
@@ -347,15 +347,10 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
extern pte_t *_pte_offset_map(pmd_t *, unsigned long address, enum km_type);
#define pte_offset_map(dir, address) \
_pte_offset_map(dir, address, KM_PTE0)
-#define pte_offset_map_nested(dir, address) \
- _pte_offset_map(dir, address, KM_PTE1)
#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0)
-#define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1)
#else
#define pte_offset_map(dir, address) pte_offset_kernel(dir, address)
-#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address)
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
#endif
/* Clear a non-executable kernel PTE and flush it from the TLB. */
diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h
index a9f7251b4a8..41474fb5eee 100644
--- a/arch/um/include/asm/pgtable.h
+++ b/arch/um/include/asm/pgtable.h
@@ -338,9 +338,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(address))
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address))
-#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address)
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
struct mm_struct;
extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr);
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index 8abde9ec90b..0c92113c4cb 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -49,24 +49,14 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
#endif
#if defined(CONFIG_HIGHPTE)
-#define __KM_PTE \
- (in_nmi() ? KM_NMI_PTE : \
- in_irq() ? KM_IRQ_PTE : \
- KM_PTE0)
#define pte_offset_map(dir, address) \
- ((pte_t *)kmap_atomic(pmd_page(*(dir)), __KM_PTE) + \
+ ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \
pte_index((address)))
-#define pte_offset_map_nested(dir, address) \
- ((pte_t *)kmap_atomic(pmd_page(*(dir)), KM_PTE1) + \
- pte_index((address)))
-#define pte_unmap(pte) kunmap_atomic((pte), __KM_PTE)
-#define pte_unmap_nested(pte) kunmap_atomic((pte), KM_PTE1)
+#define pte_unmap(pte) kunmap_atomic((pte))
#else
#define pte_offset_map(dir, address) \
((pte_t *)page_address(pmd_page(*(dir))) + pte_index((address)))
-#define pte_offset_map_nested(dir, address) pte_offset_map((dir), (address))
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
#endif
/* Clear a kernel PTE and flush it from the TLB */
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index f96ac9bedf7..f86da20347f 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -127,9 +127,7 @@ static inline int pgd_large(pgd_t pgd) { return 0; }
/* x86-64 always has all page tables mapped. */
#define pte_offset_map(dir, address) pte_offset_kernel((dir), (address))
-#define pte_offset_map_nested(dir, address) pte_offset_kernel((dir), (address))
#define pte_unmap(pte) ((void)(pte))/* NOP */
-#define pte_unmap_nested(pte) ((void)(pte)) /* NOP */
#define update_mmu_cache(vma, address, ptep) do { } while (0)
diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index 76bf3555411..b03c043ce75 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -324,10 +324,7 @@ ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
#define pte_offset_kernel(dir,addr) \
((pte_t*) pmd_page_vaddr(*(dir)) + pte_index(addr))
#define pte_offset_map(dir,addr) pte_offset_kernel((dir),(addr))
-#define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir),(addr))
-
#define pte_unmap(pte) do { } while (0)
-#define pte_unmap_nested(pte) do { } while (0)
/*
diff --git a/mm/memory.c b/mm/memory.c
index af82741caaa..92cc54e9413 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -736,7 +736,7 @@ again:
dst_pte = pte_alloc_map_lock(dst_mm, dst_pmd, addr, &dst_ptl);
if (!dst_pte)
return -ENOMEM;
- src_pte = pte_offset_map_nested(src_pmd, addr);
+ src_pte = pte_offset_map(src_pmd, addr);
src_ptl = pte_lockptr(src_mm, src_pmd);
spin_lock_nested(src_ptl, SINGLE_DEPTH_NESTING);
orig_src_pte = src_pte;
@@ -767,7 +767,7 @@ again:
arch_leave_lazy_mmu_mode();
spin_unlock(src_ptl);
- pte_unmap_nested(orig_src_pte);
+ pte_unmap(orig_src_pte);
add_mm_rss_vec(dst_mm, rss);
pte_unmap_unlock(orig_dst_pte, dst_ptl);
cond_resched();
diff --git a/mm/mremap.c b/mm/mremap.c
index cde56ee51ef..563fbdd6293 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -101,7 +101,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
* pte locks because exclusive mmap_sem prevents deadlock.
*/
old_pte = pte_offset_map_lock(mm, old_pmd, old_addr, &old_ptl);
- new_pte = pte_offset_map_nested(new_pmd, new_addr);
+ new_pte = pte_offset_map(new_pmd, new_addr);
new_ptl = pte_lockptr(mm, new_pmd);
if (new_ptl != old_ptl)
spin_lock_nested(new_ptl, SINGLE_DEPTH_NESTING);
@@ -119,7 +119,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd,
arch_leave_lazy_mmu_mode();
if (new_ptl != old_ptl)
spin_unlock(new_ptl);
- pte_unmap_nested(new_pte - 1);
+ pte_unmap(new_pte - 1);
pte_unmap_unlock(old_pte - 1, old_ptl);
if (mapping)
spin_unlock(&mapping->i_mmap_lock);