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ANDROID: mm: allow fast reclaim of shmem pages

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Certain usecases that uses shmem pages requires the
inactive pages to be reclaimed as soon as possible
to reduce system memory pressure. Provide an option
to move these pages to tail of inactive list for
faster reclaim.

Bug: 187798288
Change-Id: Ic5142b714d99a487aadbc2866be448e772f39b8a
Signed-off-by: Vinayak Menon <vinmenon@codeaurora.org>
This commit is contained in:
Vinayak Menon
2021-03-18 16:49:18 +05:30
committed by Suren Baghdasaryan
parent 13af062abf
commit 9975da5f43
4 changed files with 52 additions and 0 deletions
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6
mm/shmem.c
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@@ -4284,3 +4284,9 @@ struct page *shmem_read_mapping_page_gfp(struct address_space *mapping,
#endif
}
EXPORT_SYMBOL_GPL(shmem_read_mapping_page_gfp);
void shmem_mark_page_lazyfree(struct page *page)
{
mark_page_lazyfree_movetail(page);
}
EXPORT_SYMBOL_GPL(shmem_mark_page_lazyfree);