diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-14 06:19:59 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-08-14 06:19:59 -0400 |
commit | 8d7ccaa545490cdffdfaff0842436a8dd85cf47b (patch) | |
tree | 8129b5907161bc6ae26deb3645ce1e280c5e1f51 /mm/mremap.c | |
parent | b2139aa0eec330c711c5a279db361e5ef1178e78 (diff) | |
parent | 30a2f3c60a84092c8084dfe788b710f8d0768cd4 (diff) |
Merge commit 'v2.6.27-rc3' into x86/prototypes
Conflicts:
include/asm-x86/dma-mapping.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'mm/mremap.c')
-rw-r--r-- | mm/mremap.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/mremap.c b/mm/mremap.c index 08e3c7f2bd15..1a7743923c8c 100644 --- a/mm/mremap.c +++ b/mm/mremap.c | |||
@@ -18,6 +18,7 @@ | |||
18 | #include <linux/highmem.h> | 18 | #include <linux/highmem.h> |
19 | #include <linux/security.h> | 19 | #include <linux/security.h> |
20 | #include <linux/syscalls.h> | 20 | #include <linux/syscalls.h> |
21 | #include <linux/mmu_notifier.h> | ||
21 | 22 | ||
22 | #include <asm/uaccess.h> | 23 | #include <asm/uaccess.h> |
23 | #include <asm/cacheflush.h> | 24 | #include <asm/cacheflush.h> |
@@ -74,7 +75,11 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, | |||
74 | struct mm_struct *mm = vma->vm_mm; | 75 | struct mm_struct *mm = vma->vm_mm; |
75 | pte_t *old_pte, *new_pte, pte; | 76 | pte_t *old_pte, *new_pte, pte; |
76 | spinlock_t *old_ptl, *new_ptl; | 77 | spinlock_t *old_ptl, *new_ptl; |
78 | unsigned long old_start; | ||
77 | 79 | ||
80 | old_start = old_addr; | ||
81 | mmu_notifier_invalidate_range_start(vma->vm_mm, | ||
82 | old_start, old_end); | ||
78 | if (vma->vm_file) { | 83 | if (vma->vm_file) { |
79 | /* | 84 | /* |
80 | * Subtle point from Rajesh Venkatasubramanian: before | 85 | * Subtle point from Rajesh Venkatasubramanian: before |
@@ -116,6 +121,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, | |||
116 | pte_unmap_unlock(old_pte - 1, old_ptl); | 121 | pte_unmap_unlock(old_pte - 1, old_ptl); |
117 | if (mapping) | 122 | if (mapping) |
118 | spin_unlock(&mapping->i_mmap_lock); | 123 | spin_unlock(&mapping->i_mmap_lock); |
124 | mmu_notifier_invalidate_range_end(vma->vm_mm, old_start, old_end); | ||
119 | } | 125 | } |
120 | 126 | ||
121 | #define LATENCY_LIMIT (64 * PAGE_SIZE) | 127 | #define LATENCY_LIMIT (64 * PAGE_SIZE) |