mm/memcg: Convert mem_cgroup_swapout() to take a folio

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This removes an assumption that THPs are the only kind of compound
pages and removes a couple of hidden calls to compound_head.  It
also documents that you can't pass a tail page to mem_cgroup_swapout().

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

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This commit is contained in:

Matthew Wilcox (Oracle) 2021-12-27 21:11:34 -05:00

parent 8927f6473e

commit 3ecb0087ec

3 changed files with 14 additions and 14 deletions

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4

include/linux/swap.h

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22

mm/memcontrol.c

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2

mm/vmscan.c

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