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ANDROID: vendor_hook: add hooks in dm_bufio.c

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1. android_vh_dm_bufio_shrink_scan_bypass
To adjust dm_bufio-buffer shrinker's policy in some cases.
2. cleanup_old_buffers_bypass
To adjust the policy of dm_bufio-buffer periodic eviction
in some cases.

Bug: 281467813

Signed-off-by: Peifeng Li <lipeifeng@oppo.com>
Change-Id: I29a9d91d18d2e279170533db83b59cfc3b17ebe2
This commit is contained in:
Peifeng Li
2023-05-08 14:52:00 +08:00
parent f03258701d
commit 64c7044d39
3 changed files with 27 additions and 0 deletions
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2
drivers/android/vendor_hooks.c
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@@ -275,6 +275,8 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_commit_creds);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_exit_creds);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_override_creds);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_revert_creds);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_dm_bufio_shrink_scan_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cleanup_old_buffers_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_record_mutex_lock_starttime);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_record_rtmutex_lock_starttime);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_record_rwsem_lock_starttime);