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SubjectRe: [patch] mm: order evictable rescue in LRU putback
Johannes Weiner wrote:

> This patch adds an explicit full barrier to force ordering between
> SetPageLRU() and PageMlocked() so that either one of the competitors
> rescues the page.
>
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
> Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
> Cc: Mel Gorman <mel@csn.ul.ie>
> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>

Reviewed-by: Rik van Riel <riel@redhat.com>

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