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authorDavid S. Miller <davem@davemloft.net>2012-11-18 03:00:43 (GMT)
committerDavid S. Miller <davem@davemloft.net>2012-11-18 03:00:43 (GMT)
commit67f4efdce7d85282fbd5832cddc80a07eb89b6d6 (patch)
tree9a1771ef13b27abdf8cf172e5b7556ab93e5c48c /mm/memory.c
parentc53aa5058ad5ca8876a47d6639ad4d4f2c5ed584 (diff)
parentf4a75d2eb7b1e2206094b901be09adb31ba63681 (diff)
downloadlinux-fsl-qoriq-67f4efdce7d85282fbd5832cddc80a07eb89b6d6.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor line offset auto-merges. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'mm/memory.c')
-rw-r--r--mm/memory.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/mm/memory.c b/mm/memory.c
index fb135ba..221fc9f 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2527,9 +2527,8 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
int ret = 0;
int page_mkwrite = 0;
struct page *dirty_page = NULL;
- unsigned long mmun_start; /* For mmu_notifiers */
- unsigned long mmun_end; /* For mmu_notifiers */
- bool mmun_called = false; /* For mmu_notifiers */
+ unsigned long mmun_start = 0; /* For mmu_notifiers */
+ unsigned long mmun_end = 0; /* For mmu_notifiers */
old_page = vm_normal_page(vma, address, orig_pte);
if (!old_page) {
@@ -2708,8 +2707,7 @@ gotten:
goto oom_free_new;
mmun_start = address & PAGE_MASK;
- mmun_end = (address & PAGE_MASK) + PAGE_SIZE;
- mmun_called = true;
+ mmun_end = mmun_start + PAGE_SIZE;
mmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end);
/*
@@ -2778,7 +2776,7 @@ gotten:
page_cache_release(new_page);
unlock:
pte_unmap_unlock(page_table, ptl);
- if (mmun_called)
+ if (mmun_end > mmun_start)
mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end);
if (old_page) {
/*