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| author | Takashi Iwai | 2010-08-18 15:17:30 +0200 |
|---|---|---|
| committer | Takashi Iwai | 2010-08-18 15:17:30 +0200 |
| commit | 6ab561c8aab2e4af535f09adbc6253f958536848 (patch) | |
| tree | 37846adb4ea106485720d113e252d71d615c23ed /mm/hugetlb.c | |
| parent | ALSA: usb: USB3 SuperSpeed sound support (diff) | |
| parent | ALSA: ISA: Remove snd-sgalaxy (diff) | |
| download | kernel-qcow2-linux-6ab561c8aab2e4af535f09adbc6253f958536848.tar.gz kernel-qcow2-linux-6ab561c8aab2e4af535f09adbc6253f958536848.tar.xz kernel-qcow2-linux-6ab561c8aab2e4af535f09adbc6253f958536848.zip | |
Merge branch 'topic/isa' into topic/misc
Diffstat (limited to 'mm/hugetlb.c')
| -rw-r--r-- | mm/hugetlb.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 54d42b009dbe..b61d2db9f34e 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2349,11 +2349,17 @@ retry_avoidcopy: ptep = huge_pte_offset(mm, address & huge_page_mask(h)); if (likely(pte_same(huge_ptep_get(ptep), pte))) { /* Break COW */ + mmu_notifier_invalidate_range_start(mm, + address & huge_page_mask(h), + (address & huge_page_mask(h)) + huge_page_size(h)); huge_ptep_clear_flush(vma, address, ptep); set_huge_pte_at(mm, address, ptep, make_huge_pte(vma, new_page, 1)); /* Make the old page be freed below */ new_page = old_page; + mmu_notifier_invalidate_range_end(mm, + address & huge_page_mask(h), + (address & huge_page_mask(h)) + huge_page_size(h)); } page_cache_release(new_page); page_cache_release(old_page); |