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author | Ingo Molnar <mingo@elte.hu> | 2008-09-24 09:56:20 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-09-24 09:56:20 +0200 |
commit | ebdd90a8cb2e3963f55499850f02ce6003558b55 (patch) | |
tree | d153f917ed41d257ddafa22f9cc2201bfddf8f9c /mm/mremap.c | |
parent | 3c9339049df5cc3a468c11de6c4101a1ea8c3d83 (diff) | |
parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) |
Merge commit 'v2.6.27-rc7' into x86/pebs
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 08e3c7f2bd1..1a7743923c8 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -18,6 +18,7 @@ #include <linux/highmem.h> #include <linux/security.h> #include <linux/syscalls.h> +#include <linux/mmu_notifier.h> #include <asm/uaccess.h> #include <asm/cacheflush.h> @@ -74,7 +75,11 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, struct mm_struct *mm = vma->vm_mm; pte_t *old_pte, *new_pte, pte; spinlock_t *old_ptl, *new_ptl; + unsigned long old_start; + old_start = old_addr; + mmu_notifier_invalidate_range_start(vma->vm_mm, + old_start, old_end); if (vma->vm_file) { /* * Subtle point from Rajesh Venkatasubramanian: before @@ -116,6 +121,7 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, pte_unmap_unlock(old_pte - 1, old_ptl); if (mapping) spin_unlock(&mapping->i_mmap_lock); + mmu_notifier_invalidate_range_end(vma->vm_mm, old_start, old_end); } #define LATENCY_LIMIT (64 * PAGE_SIZE) |