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authorHugh Dickins <hughd@google.com>2015-09-08 15:03:46 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2015-09-08 15:35:28 -0700
commit7fadc820222497eac234d1d51a66517c00a6ca4c (patch)
treea4e8a91b85b33fc9532c808dee54dda46f5f380c /kernel/profile.c
parent26f5d7609f03ad8d6dc552458e4e371a62416b37 (diff)
mm, vmscan: unlock page while waiting on writeback
This is merely a politeness: I've not found that shrink_page_list() leads to deadlock with the page it holds locked across wait_on_page_writeback(); but nevertheless, why hold others off by keeping the page locked there? And while we're at it: remove the mistaken "not " from the commentary on this Case 3 (and a distracting blank line from Case 2, if I may). Signed-off-by: Hugh Dickins <hughd@google.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Cc: Mel Gorman <mgorman@techsingularity.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/profile.c')
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