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mm: vmscan: fix documentation for page_check_references()

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Commit b518154e59 ("mm/vmscan: protect the workingset on anonymous
LRU") requires to look twice for both mapped anon/file pages are used
more than once to take the decission of reclaim or activation.  Correct
the documentation accordingly.

Link: https://lkml.kernel.org/r/1646925640-21324-1-git-send-email-quic_charante@quicinc.com
Signed-off-by: Charan Teja Kalla <quic_charante@quicinc.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Charan Teja Kalla 2022-03-22 14:45:53 -07:00 committed by Linus Torvalds
parent 2386eef214
commit 96bd3e79ef
1 changed files with 1 additions and 1 deletions
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mm/vmscan.c
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@ -1385,7 +1385,7 @@ static enum page_references page_check_references(struct page *page,
/*
* All mapped pages start out with page table
* references from the instantiating fault, so we need
* to look twice if a mapped file page is used more
* to look twice if a mapped file/anon page is used more
* than once.
*
* Mark it and spare it for another trip around the