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authorDavid S. Miller <davem@davemloft.net>2005-09-01 21:51:26 -0700
committerDavid S. Miller <davem@davemloft.net>2005-09-01 21:51:26 -0700
commita7a6cac204147634aba7487e4d618b028ff54c0d (patch)
tree8c68a738984d823a830e95c72fd3df4d6c4dc6f6 /arch/sparc/mm
parent8a36895c0ddac143b7f0e87d46153f4f75d9fff7 (diff)
downloadlinux-linaro-stable-a7a6cac204147634aba7487e4d618b028ff54c0d.tar.gz
[SPARC]: Kill io_remap_page_range()
It's been deprecated long enough and there are no in-tree users any longer. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/mm')
-rw-r--r--arch/sparc/mm/generic.c57
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/sparc/mm/generic.c b/arch/sparc/mm/generic.c
index db27eee3bda1..20ccb957fb77 100644
--- a/arch/sparc/mm/generic.c
+++ b/arch/sparc/mm/generic.c
@@ -16,31 +16,6 @@
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
-static inline void forget_pte(pte_t page)
-{
-#if 0 /* old 2.4 code */
- if (pte_none(page))
- return;
- if (pte_present(page)) {
- unsigned long pfn = pte_pfn(page);
- struct page *ptpage;
- if (!pfn_valid(pfn))
- return;
- ptpage = pfn_to_page(pfn);
- if (PageReserved(ptpage))
- return;
- page_cache_release(ptpage);
- return;
- }
- swap_free(pte_to_swp_entry(page));
-#else
- if (!pte_none(page)) {
- printk("forget_pte: old mapping existed!\n");
- BUG();
- }
-#endif
-}
-
/* Remap IO memory, the same way as remap_pfn_range(), but use
* the obio memory space.
*
@@ -60,7 +35,6 @@ static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigne
pte_t oldpage = *pte;
pte_clear(mm, address, pte);
set_pte(pte, mk_pte_io(offset, prot, space));
- forget_pte(oldpage);
address += PAGE_SIZE;
offset += PAGE_SIZE;
pte++;
@@ -88,37 +62,6 @@ static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned
return 0;
}
-int io_remap_page_range(struct vm_area_struct *vma, unsigned long from, unsigned long offset, unsigned long size, pgprot_t prot, int space)
-{
- int error = 0;
- pgd_t * dir;
- unsigned long beg = from;
- unsigned long end = from + size;
- struct mm_struct *mm = vma->vm_mm;
-
- prot = __pgprot(pg_iobits);
- offset -= from;
- dir = pgd_offset(mm, from);
- flush_cache_range(vma, beg, end);
-
- spin_lock(&mm->page_table_lock);
- while (from < end) {
- pmd_t *pmd = pmd_alloc(current->mm, dir, from);
- error = -ENOMEM;
- if (!pmd)
- break;
- error = io_remap_pmd_range(mm, pmd, from, end - from, offset + from, prot, space);
- if (error)
- break;
- from = (from + PGDIR_SIZE) & PGDIR_MASK;
- dir++;
- }
- spin_unlock(&mm->page_table_lock);
-
- flush_tlb_range(vma, beg, end);
- return error;
-}
-
int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
unsigned long pfn, unsigned long size, pgprot_t prot)
{