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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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3
include/trace/hooks/mm.h
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@@ -158,6 +158,9 @@ DECLARE_HOOK(android_vh_cow_user_page,
DECLARE_HOOK(android_vh_swapin_add_anon_rmap,
TP_PROTO(struct vm_fault *vmf, struct page *page),
TP_ARGS(vmf, page));
DECLARE_HOOK(android_vh_waiting_for_page_migration,
TP_PROTO(struct page *page),
TP_ARGS(page));
DECLARE_HOOK(android_vh_page_isolated_for_reclaim,
TP_PROTO(struct mm_struct *mm, struct page *page),
TP_ARGS(mm, page));