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ANDROID: vendor_hooks: mm: Add tune_swappiness vendor hook in get_swappiness()

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Add hook in get_swappiness() for customized swappiness when lru_gen is enabled.

Bug: 299548382
Test: buid pass
Change-Id: If15cb4f71fda6c0b24359f8dc439a090a5434dc9
Signed-off-by: xiaosong.ma <xiaosong.ma@unisoc.com>
This commit is contained in:
xiaosong.ma
2023-09-08 10:58:08 +08:00
committed by Treehugger Robot
parent 7024c9cd28
commit bbc9d3bc0b
1 changed files with 5 additions and 1 deletions
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6
mm/vmscan.c
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@@ -3221,6 +3221,7 @@ static struct lruvec *get_lruvec(struct mem_cgroup *memcg, int nid)
static int get_swappiness(struct lruvec *lruvec, struct scan_control *sc) static int get_swappiness(struct lruvec *lruvec, struct scan_control *sc)
{ {
int swappiness;
struct mem_cgroup *memcg = lruvec_memcg(lruvec); struct mem_cgroup *memcg = lruvec_memcg(lruvec);
struct pglist_data *pgdat = lruvec_pgdat(lruvec); struct pglist_data *pgdat = lruvec_pgdat(lruvec);
@@ -3231,7 +3232,10 @@ static int get_swappiness(struct lruvec *lruvec, struct scan_control *sc)
mem_cgroup_get_nr_swap_pages(memcg) <= 0) mem_cgroup_get_nr_swap_pages(memcg) <= 0)
return 0; return 0;
return mem_cgroup_swappiness(memcg); swappiness = mem_cgroup_swappiness(memcg);
trace_android_vh_tune_swappiness(&swappiness);
return swappiness;
} }
static int get_nr_gens(struct lruvec *lruvec, int type) static int get_nr_gens(struct lruvec *lruvec, int type)