diff options
| author | Ingo Molnar <mingo@kernel.org> | 2013-10-15 07:05:06 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-15 07:05:18 +0200 |
| commit | 426ee9e3bbc478ed9c0a079a4270f6095f0eb975 (patch) | |
| tree | d8f295e2e516a61b2ab8ccb49f5b1d9fb67979bd /mm/mlock.c | |
| parent | b7af41a1bc255c0098c37a4bcf5c7e5e168ce875 (diff) | |
| parent | 61e6cfa80de5760bbe406f4e815b7739205754d2 (diff) | |
Merge tag 'v3.12-rc5' into perf/core
Merge Linux v3.12-rc5, to pick up the latest fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/mlock.c')
| -rw-r--r-- | mm/mlock.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/mlock.c b/mm/mlock.c index 67ba6da7d0e..d480cd6fc47 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -379,10 +379,14 @@ static unsigned long __munlock_pagevec_fill(struct pagevec *pvec, /* * Initialize pte walk starting at the already pinned page where we - * are sure that there is a pte. + * are sure that there is a pte, as it was pinned under the same + * mmap_sem write op. */ pte = get_locked_pte(vma->vm_mm, start, &ptl); - end = min(end, pmd_addr_end(start, end)); + /* Make sure we do not cross the page table boundary */ + end = pgd_addr_end(start, end); + end = pud_addr_end(start, end); + end = pmd_addr_end(start, end); /* The page next to the pinned page is the first we will try to get */ start += PAGE_SIZE; |