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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-12-27 21:11:34 -0500 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-21 12:59:01 -0400 |
| commit | 3ecb0087ecee6213544a1e0b838826a0f4831ce5 (patch) | |
| tree | cb93690894085fa7db78b2cbc4ddc858fa247da3 /mm/vmscan.c | |
| parent | 8927f6473e56e32e328ae8ed43736412f7f76a4e (diff) | |
| download | lwn-3ecb0087ecee6213544a1e0b838826a0f4831ce5.tar.gz lwn-3ecb0087ecee6213544a1e0b838826a0f4831ce5.zip | |
mm/memcg: Convert mem_cgroup_swapout() to take a folio
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>
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 3b96f6e7d895..4f54c6d22083 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1288,7 +1288,7 @@ static int __remove_mapping(struct address_space *mapping, struct page *page, if (PageSwapCache(page)) { swp_entry_t swap = { .val = page_private(page) }; - mem_cgroup_swapout(page, swap); + mem_cgroup_swapout(folio, swap); if (reclaimed && !mapping_exiting(mapping)) shadow = workingset_eviction(folio, target_memcg); __delete_from_swap_cache(page, swap, shadow); |