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ANDROID: vendor_hook: Add hook in si_swapinfo()

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Provide a vendor hook android_vh_si_swapinf to replace the
process of updating nr_to_be_unused. When the page is swapped
to a specified swap location, nr_to_be_unused should not be
updated. Because the specified swap is regarded as a reserved
extended memory.

Bug: 234214858
Signed-off-by: Bing Han <bing.han@transsion.com>
Change-Id: Ie41caec345658589bf908fb0f96d038d1fba21f3
This commit is contained in:
Bing Han
2022-06-10 19:06:18 +08:00
committed by Treehugger Robot
parent 667f0d71dc
commit ed2b11d639
3 changed files with 7 additions and 1 deletions
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1
drivers/android/vendor_hooks.c
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@@ -423,4 +423,5 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_snapshot_refaults);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_account_swap_pages);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_unuse_swap_page);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_init_swap_info_struct);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_si_swapinfo);
EXPORT_TRACEPOINT_SYMBOL_GPL(android_vh_alloc_si);