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Revert "ANDROID: vendor_hooks: tune reclaim scan type for specified mem_cgroup"

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This reverts commit e5b4949bfc.

The hook android_vh_tune_memcg_scan_type is not used by any vendor, so
remove it to help with merge issues with future LTS releases.

If this is needed by any real user, it can easily be reverted to add it
back and then the symbol should be added to the abi list at the same
time to prevent it from being removed again later.

Bug: 203756332
Bug: 230450931
Cc: xiaofeng <xiaofeng5@xiaomi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I0e32c24d67a9ede087eca5005796512a9451c1e2
This commit is contained in:
Greg Kroah-Hartman 2022-08-24 18:50:06 +02:00 committed by Treehugger Robot
parent 425c0f18ed
commit 7b0822a261
3 changed files with 0 additions and 5 deletions
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1
drivers/android/vendor_hooks.c
View File

@ -428,7 +428,6 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_has_work_ilocked);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_binder_read_done);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_handle_tlb_conf);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_shrink_node_memcgs);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_memcg_scan_type);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_handle_pte_fault_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cow_user_page);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_swapin_add_anon_rmap);

3
include/trace/hooks/vmscan.h
View File

@ -43,9 +43,6 @@ DECLARE_HOOK(android_vh_page_trylock_clear,
DECLARE_HOOK(android_vh_shrink_node_memcgs,
TP_PROTO(struct mem_cgroup *memcg, bool *skip),
TP_ARGS(memcg, skip));
DECLARE_HOOK(android_vh_tune_memcg_scan_type,
TP_PROTO(struct mem_cgroup *memcg, char *scan_type),
TP_ARGS(memcg, scan_type));
DECLARE_HOOK(android_vh_inactive_is_low,
TP_PROTO(unsigned long gb, unsigned long *inactive_ratio,
enum lru_list inactive_lru, bool *skip),

1
mm/vmscan.c
View File

@ -2397,7 +2397,6 @@ static void get_scan_count(struct lruvec *lruvec, struct scan_control *sc,
denominator = ap + fp;
out:
trace_android_vh_tune_scan_type((char *)(&scan_balance));
trace_android_vh_tune_memcg_scan_type(memcg, (char *)(&scan_balance));
for_each_evictable_lru(lru) {
int file = is_file_lru(lru);
unsigned long lruvec_size;