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mm/swap: add folio_throttle_swaprate

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The only use of the page argument to cgroup_throttle_swaprate() is to get
the node ID, and this will be the same for all pages in the folio, so just
pass in the first page of the folio.

Link: https://lkml.kernel.org/r/20220504182857.4013401-18-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-05-12 20:23:04 -07:00 committed by Andrew Morton
parent 0562457186
commit 039bc12401
1 changed files with 4 additions and 0 deletions
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4
include/linux/swap.h
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@ -640,6 +640,10 @@ static inline void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask)
{
}
#endif
static inline void folio_throttle_swaprate(struct folio *folio, gfp_t gfp)
{
cgroup_throttle_swaprate(&folio->page, gfp);
}
#ifdef CONFIG_MEMCG_SWAP
void mem_cgroup_swapout(struct folio *folio, swp_entry_t entry);