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| author | Clark Williams <williams@redhat.com> | 2012-04-04 10:52:26 -0500 |
|---|---|---|
| committer | Clark Williams <williams@redhat.com> | 2012-04-04 10:52:26 -0500 |
| commit | 2d93eaf2d4ace5853a74a4b0596f601aa62cb840 (patch) | |
| tree | b0a2e2083c1749c4e3b8ae23db7bb13a7ca9aafe /mm/memcontrol.c | |
| parent | 003133585fc61d7bd36d3a097d7fde62e64a9550 (diff) | |
| parent | 23d8c3f8f494c8516c9b4c05529e118e6a485956 (diff) | |
Merge commit 'v3.2.14' into rt-3.2.14-rt23v3.2.14-rt23
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 3e1f6a0d49e6..abf5497cadcb 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5234,6 +5234,8 @@ static int mem_cgroup_count_precharge_pte_range(pmd_t *pmd, spinlock_t *ptl; split_huge_page_pmd(walk->mm, pmd); + if (pmd_trans_unstable(pmd)) + return 0; pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); for (; addr != end; pte++, addr += PAGE_SIZE) @@ -5395,6 +5397,8 @@ static int mem_cgroup_move_charge_pte_range(pmd_t *pmd, spinlock_t *ptl; split_huge_page_pmd(walk->mm, pmd); + if (pmd_trans_unstable(pmd)) + return 0; retry: pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); for (; addr != end; addr += PAGE_SIZE) { |