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authorHillf Danton <dhillf@gmail.com>2012-03-21 16:34:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-21 17:54:57 -0700
commit9e81130b7ce23050335b1197bb51743517b5b9d0 (patch)
tree6a359131ad2c36ca9e50f0c96a17ef755ad7e168 /mm/util.c
parentfcf4d8212a8f38334679e82ff14532b908b4b451 (diff)
downloadlinux-9e81130b7ce23050335b1197bb51743517b5b9d0.tar.bz2
mm: hugetlb: bail out unmapping after serving reference page
When unmapping a given VM range, we could bail out if a reference page is supplied and is unmapped, which is a minor optimization. Signed-off-by: Hillf Danton <dhillf@gmail.com> Cc: Michal Hocko <mhocko@suse.cz> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Cc: 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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