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authorDoug Doan <dougd@cray.com>2010-08-09 17:18:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-09 20:44:54 -0700
commit3edd4fc9537d95e460d502987c63a90d6b9a7a82 (patch)
treefe0563459b9d6104dcc7f7ab6f8945e815f09665 /arch/mips/mm/highmem.c
parenta1b200e27c0426ea98c1231a2b78c6094eb073e4 (diff)
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hugetlb: call mmu notifiers on hugepage cow
When a copy-on-write occurs, we take one of two paths in handle_mm_fault: through handle_pte_fault for normal pages, or through hugetlb_fault for huge pages. In the normal page case, we eventually get to do_wp_page and call mmu notifiers via ptep_clear_flush_notify. There is no callout to the mmmu notifiers in the huge page case. This patch fixes that. Signed-off-by: Doug Doan <dougd@cray.com> Acked-by: Mel Gorman <mel@csn.ul.ie> Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/mips/mm/highmem.c')
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