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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2011-07-26 04:12:10 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-26 07:57:08 +0400
commitc27fe4c8942d3ca715986f79cc26f44608d7d9fb (patch)
treed954d0417c941f5e51cf029608311ef04acd9575 /block
parent6c6d5280431544e4036886ea74e3334a98bc5f96 (diff)
downloadlinux-c27fe4c8942d3ca715986f79cc26f44608d7d9fb.tar.xz
pagewalk: add locking-rule comments
Originally, walk_hugetlb_range() didn't require a caller take any lock. But commit d33b9f45bd ("mm: hugetlb: fix hugepage memory leak in walk_page_range") changed its rule. Because it added find_vma() call in walk_hugetlb_range(). Any locking-rule change commit should write a doc too. [akpm@linux-foundation.org: clarify comment] Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Cc: Hiroyuki Kamezawa <kamezawa.hiroyuki@gmail.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Matt Mackall <mpm@selenic.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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