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-rw-r--r--mm/Kconfig4
-rw-r--r--mm/bootmem.c2
-rw-r--r--mm/fadvise.c2
-rw-r--r--mm/filemap.c3
-rw-r--r--mm/hugetlb.c23
-rw-r--r--mm/page-writeback.c2
-rw-r--r--mm/page_alloc.c2
-rw-r--r--mm/pdflush.c2
-rw-r--r--mm/readahead.c2
-rw-r--r--mm/shmem.c4
-rw-r--r--mm/truncate.c2
11 files changed, 29 insertions, 19 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 0bd9c2dbb2a..5585f129359 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -101,7 +101,7 @@ config HAVE_MEMORY_PRESENT
# with gcc 3.4 and later.
#
config SPARSEMEM_STATIC
- def_bool n
+ bool
#
# Architecture platforms which require a two level mem_section in SPARSEMEM
@@ -113,7 +113,7 @@ config SPARSEMEM_EXTREME
depends on SPARSEMEM && !SPARSEMEM_STATIC
config SPARSEMEM_VMEMMAP_ENABLE
- def_bool n
+ bool
config SPARSEMEM_VMEMMAP
bool "Sparse Memory virtual memmap"
diff --git a/mm/bootmem.c b/mm/bootmem.c
index ad8eec6e44a..ac5a891f142 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -48,7 +48,7 @@ early_param("bootmem_debug", bootmem_debug_setup);
if (unlikely(bootmem_debug)) \
printk(KERN_INFO \
"bootmem::%s " fmt, \
- __FUNCTION__, ## args); \
+ __func__, ## args); \
})
static unsigned long __init bootmap_bytes(unsigned long pages)
diff --git a/mm/fadvise.c b/mm/fadvise.c
index 343cfdfebd9..a1da969bd98 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2002, Linus Torvalds
*
- * 11Jan2003 akpm@digeo.com
+ * 11Jan2003 Andrew Morton
* Initial version.
*/
diff --git a/mm/filemap.c b/mm/filemap.c
index 876bc595d0f..bf8f9c0c7a8 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1186,8 +1186,7 @@ out:
ra->prev_pos |= prev_offset;
*ppos = ((loff_t)index << PAGE_CACHE_SHIFT) + offset;
- if (filp)
- file_accessed(filp);
+ file_accessed(filp);
}
int file_read_actor(read_descriptor_t *desc, struct page *page,
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 67a71191136..38633864a93 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2008,7 +2008,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
entry = huge_ptep_get(ptep);
if (huge_pte_none(entry)) {
ret = hugetlb_no_page(mm, vma, address, ptep, write_access);
- goto out_unlock;
+ goto out_mutex;
}
ret = 0;
@@ -2024,7 +2024,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
if (write_access && !pte_write(entry)) {
if (vma_needs_reservation(h, vma, address) < 0) {
ret = VM_FAULT_OOM;
- goto out_unlock;
+ goto out_mutex;
}
if (!(vma->vm_flags & VM_SHARED))
@@ -2034,10 +2034,23 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
spin_lock(&mm->page_table_lock);
/* Check for a racing update before calling hugetlb_cow */
- if (likely(pte_same(entry, huge_ptep_get(ptep))))
- if (write_access && !pte_write(entry))
+ if (unlikely(!pte_same(entry, huge_ptep_get(ptep))))
+ goto out_page_table_lock;
+
+
+ if (write_access) {
+ if (!pte_write(entry)) {
ret = hugetlb_cow(mm, vma, address, ptep, entry,
pagecache_page);
+ goto out_page_table_lock;
+ }
+ entry = pte_mkdirty(entry);
+ }
+ entry = pte_mkyoung(entry);
+ if (huge_ptep_set_access_flags(vma, address, ptep, entry, write_access))
+ update_mmu_cache(vma, address, entry);
+
+out_page_table_lock:
spin_unlock(&mm->page_table_lock);
if (pagecache_page) {
@@ -2045,7 +2058,7 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
put_page(pagecache_page);
}
-out_unlock:
+out_mutex:
mutex_unlock(&hugetlb_instantiation_mutex);
return ret;
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 24de8b65fdb..c130a137c12 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -7,7 +7,7 @@
* Contains functions related to writing back dirty pages at the
* address_space level.
*
- * 10Apr2002 akpm@zip.com.au
+ * 10Apr2002 Andrew Morton
* Initial version
*/
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 27b8681139f..9eb9eb92828 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3952,7 +3952,7 @@ static void check_for_regular_memory(pg_data_t *pgdat)
void __init free_area_init_nodes(unsigned long *max_zone_pfn)
{
unsigned long nid;
- enum zone_type i;
+ int i;
/* Sort early_node_map as initialisation assumes it is sorted */
sort_node_map();
diff --git a/mm/pdflush.c b/mm/pdflush.c
index 0cbe0c60c6b..a0a14c4d507 100644
--- a/mm/pdflush.c
+++ b/mm/pdflush.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2002, Linus Torvalds.
*
- * 09Apr2002 akpm@zip.com.au
+ * 09Apr2002 Andrew Morton
* Initial version
* 29Feb2004 kaos@sgi.com
* Move worker thread creation to kthread to avoid chewing
diff --git a/mm/readahead.c b/mm/readahead.c
index 77e8ddf945e..6cbd9a72fde 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2002, Linus Torvalds
*
- * 09Apr2002 akpm@zip.com.au
+ * 09Apr2002 Andrew Morton
* Initial version.
*/
diff --git a/mm/shmem.c b/mm/shmem.c
index 04fb4f1ab88..bf66d0191ba 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -50,14 +50,12 @@
#include <linux/migrate.h>
#include <linux/highmem.h>
#include <linux/seq_file.h>
+#include <linux/magic.h>
#include <asm/uaccess.h>
#include <asm/div64.h>
#include <asm/pgtable.h>
-/* This magic number is used in glibc for posix shared memory */
-#define TMPFS_MAGIC 0x01021994
-
#define ENTRIES_PER_PAGE (PAGE_CACHE_SIZE/sizeof(unsigned long))
#define ENTRIES_PER_PAGEPAGE (ENTRIES_PER_PAGE*ENTRIES_PER_PAGE)
#define BLOCKS_PER_PAGE (PAGE_CACHE_SIZE/512)
diff --git a/mm/truncate.c b/mm/truncate.c
index 6650c1d878b..e83e4b114ef 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -3,7 +3,7 @@
*
* Copyright (C) 2002, Linus Torvalds
*
- * 10Sep2002 akpm@zip.com.au
+ * 10Sep2002 Andrew Morton
* Initial version.
*/