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ANDROID: add vendor fields to lruvec to record refault stats

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struct lruvec :: ANDROID_VENDOR_DATA(1)
It is pointer to a struct to record the following message:
1）the account of workingset_restore pages of cached anonymous and
   file pages
This is used to adjust the strategy and amount of reclaiming data.

Bug: 225795494
Change-Id: I34e57ee23b6c97ac91effa5b72513d238335a996
Signed-off-by: Bing Han <bing.han@transsion.com>
(cherry picked from commit 1b14ae01b0)
(cherry picked from commit dcac70709fb59478979519d7502b2bb5b8389ff6)
This commit is contained in:
Bing Han
2022-04-15 08:16:43 +00:00
committed by Carlos Llamas
parent a80f228e59
commit 3cea2a67dc
1 changed files with 1 additions and 0 deletions
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include/linux/mmzone.h
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@@ -636,6 +636,7 @@ struct lruvec {
#ifdef CONFIG_MEMCG #ifdef CONFIG_MEMCG
struct pglist_data *pgdat; struct pglist_data *pgdat;
#endif #endif
ANDROID_VENDOR_DATA(1);
}; };
/* Isolate unmapped pages */ /* Isolate unmapped pages */