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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-14 18:21:35 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-04-14 18:21:35 -0700
commit2f093e2aa466d799c0952bfd1c6c68ff5d80fc17 (patch)
treee3d511aca536b7123d256b98a0ef8e74fc219498 /mm
parenta7761027656dc192b59617a6eb961e38097419ce (diff)
parent41ef2d5678d83af030125550329b6ae8b74618fa (diff)
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Merge 3.9-rc7 into char-misc-next
We want the fixes in there. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memory.c1
-rw-r--r--mm/mmap.c2
-rw-r--r--mm/nommu.c2
3 files changed, 3 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c
index 494526ae024a..13cbc420fead 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -216,6 +216,7 @@ void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm)
tlb->mm = mm;
tlb->fullmm = fullmm;
+ tlb->need_flush_all = 0;
tlb->start = -1UL;
tlb->end = 0;
tlb->need_flush = 0;
diff --git a/mm/mmap.c b/mm/mmap.c
index 6466699b16cb..0db0de1c2fbe 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1940,7 +1940,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
/* Check the cache first. */
/* (Cache hit rate is typically around 35%.) */
- vma = mm->mmap_cache;
+ vma = ACCESS_ONCE(mm->mmap_cache);
if (!(vma && vma->vm_end > addr && vma->vm_start <= addr)) {
struct rb_node *rb_node;
diff --git a/mm/nommu.c b/mm/nommu.c
index e19328087534..2f3ea749c318 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -821,7 +821,7 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr)
struct vm_area_struct *vma;
/* check the cache first */
- vma = mm->mmap_cache;
+ vma = ACCESS_ONCE(mm->mmap_cache);
if (vma && vma->vm_start <= addr && vma->vm_end > addr)
return vma;