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-- | 4.0 KB |
Makefile | -rw-r--r-- | 672 bytes |
cache_lib.c | -rw-r--r-- | 3.4 KB |
cache_lib.h | -rw-r--r-- | 790 bytes |
callback.c | -rw-r--r-- | 9.5 KB |
callback.h | -rw-r--r-- | 3.6 KB |
callback_proc.c | -rw-r--r-- | 10.3 KB |
callback_xdr.c | -rw-r--r-- | 19.5 KB |
client.c | -rw-r--r-- | 44.7 KB |
delegation.c | -rw-r--r-- | 14.7 KB |
delegation.h | -rw-r--r-- | 2.5 KB |
dir.c | -rw-r--r-- | 52.9 KB |
direct.c | -rw-r--r-- | 27.2 KB |
dns_resolve.c | -rw-r--r-- | 7.8 KB |
dns_resolve.h | -rw-r--r-- | 527 bytes |
file.c | -rw-r--r-- | 23.1 KB |
fscache-index.c | -rw-r--r-- | 9.3 KB |
fscache.c | -rw-r--r-- | 14.0 KB |
fscache.h | -rw-r--r-- | 6.4 KB |
getroot.c | -rw-r--r-- | 5.9 KB |
idmap.c | -rw-r--r-- | 12.8 KB |
inode.c | -rw-r--r-- | 45.0 KB |
internal.h | -rw-r--r-- | 9.6 KB |
iostat.h | -rw-r--r-- | 1.6 KB |
mount_clnt.c | -rw-r--r-- | 11.9 KB |
namespace.c | -rw-r--r-- | 6.7 KB |
nfs2xdr.c | -rw-r--r-- | 19.3 KB |
nfs3acl.c | -rw-r--r-- | 10.2 KB |
nfs3proc.c | -rw-r--r-- | 21.5 KB |
nfs3xdr.c | -rw-r--r-- | 29.3 KB |
nfs4_fs.h | -rw-r--r-- | 12.1 KB |
nfs4namespace.c | -rw-r--r-- | 6.6 KB |
nfs4proc.c | -rw-r--r-- | 145.2 KB |
nfs4renewd.c | -rw-r--r-- | 4.0 KB |
nfs4state.c | -rw-r--r-- | 40.5 KB |
nfs4xdr.c | -rw-r--r-- | 156.0 KB |
nfsroot.c | -rw-r--r-- | 14.6 KB |
pagelist.c | -rw-r--r-- | 11.2 KB |
proc.c | -rw-r--r-- | 18.4 KB |
read.c | -rw-r--r-- | 16.5 KB |
super.c | -rw-r--r-- | 77.0 KB |
symlink.c | -rw-r--r-- | 1.6 KB |
sysctl.c | -rw-r--r-- | 1.8 KB |
unlink.c | -rw-r--r-- | 7.2 KB |
write.c | -rw-r--r-- | 40.7 KB |
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