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ANDROID: vendor_hooks: add hook for si_meminfo_adjust_shmem

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As trace_android_vh_si_meminfo_adjust allows vendors to change for
totalram and freeram, we'd like to change sharedram values. This is
helpful when a driver uses shmem a lot.

Bug: 371132125

Change-Id: Ifd615e1a4d600084f3957267da3189f0edc342e7
Signed-off-by: Jaewon Kim <jaewon31.kim@samsung.com>
This commit is contained in:
Jaewon Kim
2024-10-03 12:39:47 +09:00
committed by Treehugger Robot
parent b235667f92
commit c230b7b9ce
3 changed files with 5 additions and 0 deletions
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drivers/android/vendor_hooks.c
+1
View File
@@ -120,6 +120,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_rvh_cpuinfo_c_show);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_meminfo_cache_adjust);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_si_mem_available_adjust);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_si_meminfo_adjust);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_si_meminfo_adjust_shmem);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_fill_prdt);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_prepare_command);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_ufs_update_sysfs);
include/trace/hooks/mm.h
+3
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@@ -120,6 +120,9 @@ DECLARE_HOOK(android_vh_si_mem_available_adjust,
DECLARE_HOOK(android_vh_si_meminfo_adjust,
TP_PROTO(unsigned long *totalram, unsigned long *freeram),
TP_ARGS(totalram, freeram));
DECLARE_HOOK(android_vh_si_meminfo_adjust_shmem,
TP_PROTO(unsigned long *sharedram),
TP_ARGS(sharedram));
DECLARE_HOOK(android_vh_test_clear_look_around_ref,
TP_PROTO(struct page *page),
TP_ARGS(page));
mm/show_mem.c
+1
View File
@@ -86,6 +86,7 @@ void si_meminfo(struct sysinfo *val)
val->freehigh = nr_free_highpages();
val->mem_unit = PAGE_SIZE;
trace_android_vh_si_meminfo_adjust(&val->totalram, &val->freeram);
trace_android_vh_si_meminfo_adjust_shmem(&val->sharedram);
}
EXPORT_SYMBOL(si_meminfo);