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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-11-08 15:28:05 -0500 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-11-08 15:28:05 -0500 |
| commit | bad97817dece759dd6c0b24f862b7d0ed588edda (patch) | |
| tree | fcabaa3ae3e2f17236135e60dc875f47e852cc6d /mm/mlock.c | |
| parent | 6fe19278ffebdd57e5c5ec10275e6d423404364e (diff) | |
| parent | 61e6cfa80de5760bbe406f4e815b7739205754d2 (diff) | |
Merge tag 'v3.12-rc5' into stable/for-linus-3.13
Linux 3.12-rc5
Because the Stefano branch (for SWIOTLB ARM changes) is based on that.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
* tag 'v3.12-rc5': (550 commits)
Linux 3.12-rc5
watchdog: sunxi: Fix section mismatch
watchdog: kempld_wdt: Fix bit mask definition
watchdog: ts72xx_wdt: locking bug in ioctl
ARM: exynos: dts: Update 5250 arch timer node with clock frequency
parisc: let probe_kernel_read() capture access to page zero
parisc: optimize variable initialization in do_page_fault
parisc: fix interruption handler to respect pagefault_disable()
parisc: mark parisc_terminate() noreturn and cold.
parisc: remove unused syscall_ipi() function.
parisc: kill SMP single function call interrupt
parisc: Export flush_cache_page() (needed by lustre)
vfs: allow O_PATH file descriptors for fstatfs()
ext4: fix memory leak in xattr
ARC: Ignore ptrace SETREGSET request for synthetic register "stop_pc"
ALSA: hda - Sony VAIO Pro 13 (haswell) now has a working headset jack
ALSA: hda - Add a headset mic model for ALC269 and friends
ALSA: hda - Fix microphone for Sony VAIO Pro 13 (Haswell model)
compiler/gcc4: Add quirk for 'asm goto' miscompilation bug
Revert "i915: Update VGA arbiter support for newer devices"
...
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; |