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ANDROID: vendor_hook: Add hook to tune readaround size

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In some situations, we want to decrease readaround size for better
performance. So we add this hook.

Bug: 288216516
Bug: 395197442
Change-Id: If2f5f75976c99ff1f82ce29d370f9216926055ab
Signed-off-by: Oven <liyangouwen1@oppo.com>
Signed-off-by: huzhanyuan  <huzhanyuan@oppo.com>
Signed-off-by: wengle <wengle@oppo.com>
This commit is contained in:
Oven
2023-06-16 20:51:14 +08:00
committed by Carlos Llamas
parent b6f24657f2
commit 2ad4928594
3 changed files with 7 additions and 0 deletions
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include/trace/hooks/mm.h
+4
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@@ -226,6 +226,10 @@ DECLARE_RESTRICTED_HOOK(android_rvh_vfree_bypass,
DECLARE_HOOK(android_vh_cma_alloc_retry,
TP_PROTO(char *name, int *retry),
TP_ARGS(name, retry));
DECLARE_HOOK(android_vh_tune_mmap_readaround,
TP_PROTO(unsigned int ra_pages, pgoff_t pgoff,
pgoff_t *start, unsigned int *size, unsigned int *async_size),
TP_ARGS(ra_pages, pgoff, start, size, async_size));
DECLARE_HOOK(android_vh_smaps_pte_entry,
TP_PROTO(swp_entry_t entry, int mapcount,
unsigned long *swap_shared, unsigned long *writeback,