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ANDROID: vendor hook to control pagevec flush

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The pagevec batching causes lru_add_drain_all which is too expensive
sometimes. This patch adds a new vendor hook to drain the pagevec
immediately depending on the page's type.

Bug: 251881967
Signed-off-by: Minchan Kim <minchan@google.com>
Change-Id: Id17e14e69197993ddad511a40c96e51674c02834
Signed-off-by: Richard Chang <richardycc@google.com>
(cherry picked from commit 2f8253b7e6e563cc19cffa120c72f6f528664103)
This commit is contained in:
Minchan Kim
2022-10-18 09:03:15 -07:00
committed by Richard Chang
parent 1eeadb47e0
commit bb6ab2be93
3 changed files with 8 additions and 0 deletions
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drivers/android/vendor_hooks.c
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@@ -278,3 +278,4 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cma_alloc_adjust);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_enable_thermal_genl_check);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_compaction_begin);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_mm_compaction_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_pagevec_drain);