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ANDROID: vendor_hook: Add hook in __migration_entry_wait()

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android_vh_waiting_for_page_migration: provide a vendor hook
to force not to reclaim the page under migration to a specified
swap location, until the migration is finished.

Bug: 234214858
Signed-off-by: Bing Han <bing.han@transsion.com>
Change-Id: Iceeae91cbd912d9c44d7eac25f1299bbff547388
This commit is contained in:
Bing Han
2022-05-30 14:54:16 +08:00
committed by Treehugger Robot
parent f7c932399e
commit 89a247a638
3 changed files with 7 additions and 0 deletions
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1
drivers/android/vendor_hooks.c
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@@ -410,6 +410,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_tune_memcg_scan_type);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_handle_pte_fault_end);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_cow_user_page);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_swapin_add_anon_rmap);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_waiting_for_page_migration);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_page_isolated_for_reclaim);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_inactive_is_low);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_snapshot_refaults);