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ANDROID: vendor_hook: Add hook to not be stuck ro rmap lock in kswapd or direct_reclaim

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Add hooks to support trylock in rmaplock when reclaiming in kswapd or
direct_reclaim, in order to avoid wait lock for a long time.

- android_vh_handle_failed_page_trylock
- android_vh_page_trylock_set
- android_vh_page_trylock_clear
- android_vh_page_trylock_get_result
- android_vh_do_page_trylock

Bug: 240003372

Signed-off-by: Peifeng Li <lipeifeng@oppo.com>
Change-Id: I0f605b35ae41f15b3ca7bc72cd5f003175c318a5
This commit is contained in:
Peifeng Li
2022-07-24 13:47:14 +08:00
parent 91bfc78bc0
commit 1f8f6d59a2
5 changed files with 53 additions and 7 deletions
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5
drivers/android/vendor_hooks.c
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@@ -304,6 +304,11 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_logbuf_pr_cont);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_scan_type);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_swappiness);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_shrink_slab_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_handle_failed_page_trylock);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_page_trylock_set);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_page_trylock_clear);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_page_trylock_get_result);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_do_page_trylock);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_page_referenced_check_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_drain_all_pages_bypass);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cma_drain_all_pages_bypass);