Revision a247c3a97a0216b18a46243eda26081f1928ec37 authored by Andrea Arcangeli on 22 September 2010, 20:05:12 UTC, committed by Linus Torvalds on 23 September 2010, 00:22:39 UTC
The below bug in fork led to the rmap walk finding the parent huge-pmd twice instead of just once, because the anon_vma_chain objects of the child vma still point to the vma->vm_mm of the parent. The patch fixes it by making the rmap walk accurate during fork. It's not a big deal normally but it worth being accurate considering the cost is the same. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Acked-by: Johannes Weiner <jweiner@redhat.com> Acked-by: Rik van Riel <riel@redhat.com> Acked-by: Hugh Dickins <hughd@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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File | Mode | Size |
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Kconfig | -rw-r--r-- | 936 bytes |
Makefile | -rw-r--r-- | 174 bytes |
autofs_i.h | -rw-r--r-- | 7.9 KB |
dev-ioctl.c | -rw-r--r-- | 18.0 KB |
expire.c | -rw-r--r-- | 12.5 KB |
init.c | -rw-r--r-- | 1.2 KB |
inode.c | -rw-r--r-- | 9.1 KB |
root.c | -rw-r--r-- | 25.7 KB |
symlink.c | -rw-r--r-- | 827 bytes |
waitq.c | -rw-r--r-- | 13.1 KB |
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