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ANDROID: mm: add vendor hook in vmscan.c

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Add vendor hook to skip rebalance anon lru list.

Bug: 351175506
Change-Id: Ib4e56976d892b96f6c319a1b69d23d71ac7ce993
Signed-off-by: Sooyong Suk <s.suk@samsung.corp-partner.google.com>
This commit is contained in:
Sooyong Suk 2024-07-10 11:20:55 +09:00 committed by Suren Baghdasaryan
parent dd071677cb
commit 43b4adb9c9
3 changed files with 8 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
View File

@ -435,3 +435,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_resume_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_early_resume_begin);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_enable_thermal_genl_check);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_pr_set_vma_name_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_rebalance_anon_lru_bypass);

3
include/trace/hooks/vmscan.h
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@ -58,6 +58,9 @@ DECLARE_HOOK(android_vh_should_continue_reclaim,
DECLARE_HOOK(android_vh_file_is_tiny_bypass,
TP_PROTO(bool file_is_tiny, bool *bypass),
TP_ARGS(file_is_tiny, bypass));
DECLARE_HOOK(android_vh_rebalance_anon_lru_bypass,
TP_PROTO(bool *bypass),
TP_ARGS(bypass));
#endif /* _TRACE_HOOK_VMSCAN_H */
/* This part must be outside protection */
#include <trace/define_trace.h>

4
mm/vmscan.c
View File

@ -6407,6 +6407,7 @@ static void shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc)
unsigned long nr_to_reclaim = sc->nr_to_reclaim;
bool proportional_reclaim;
struct blk_plug plug;
bool bypass = false;
if (lru_gen_enabled() && !root_reclaim(sc)) {
lru_gen_shrink_lruvec(lruvec, sc);
@ -6504,6 +6505,9 @@ static void shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc)
}
blk_finish_plug(&plug);
sc->nr_reclaimed += nr_reclaimed;
trace_android_vh_rebalance_anon_lru_bypass(&bypass);
if (bypass)
return;
/*
* Even if we did not try to evict anon pages at all, we want to