From: Charan Teja Kalla <quic_charante@xxxxxxxxxxx>
Subject: mm: vmscan: fix documentation for page_check_references()
commit b518154e59aa ("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@xxxxxxxxxxx
Signed-off-by: Charan Teja Kalla <quic_charante@xxxxxxxxxxx>
Cc: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/vmscan.c~mm-vmscan-fix-documentation-for-page_check_references
+++ a/mm/vmscan.c
@@ -1385,7 +1385,7 @@ static enum page_references page_check_r
/*
* 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
_
