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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-05-07 00:14:59 +0200 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-09-27 15:27:31 +0200 |
| commit | d21bba2b7d0ae19dd1279e10aee61c37a17aba74 (patch) | |
| tree | 279421ef48dee2857e5aa5353edbd0c39c60894c /mm/shmem.c | |
| parent | mm/memcg: Convert mem_cgroup_uncharge() to take a folio (diff) | |
| download | linux-d21bba2b7d0ae19dd1279e10aee61c37a17aba74.tar.xz linux-d21bba2b7d0ae19dd1279e10aee61c37a17aba74.zip | |
mm/memcg: Convert mem_cgroup_migrate() to take folios
Convert all callers of mem_cgroup_migrate() to call page_folio() first.
They all look like they're using head pages already, but this proves it.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Howells <dhowells@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index a2e653aeb536..1588f33d009a 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1637,6 +1637,7 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp, struct shmem_inode_info *info, pgoff_t index) { struct page *oldpage, *newpage; + struct folio *old, *new; struct address_space *swap_mapping; swp_entry_t entry; pgoff_t swap_index; @@ -1673,7 +1674,9 @@ static int shmem_replace_page(struct page **pagep, gfp_t gfp, xa_lock_irq(&swap_mapping->i_pages); error = shmem_replace_entry(swap_mapping, swap_index, oldpage, newpage); if (!error) { - mem_cgroup_migrate(oldpage, newpage); + old = page_folio(oldpage); + new = page_folio(newpage); + mem_cgroup_migrate(old, new); __inc_lruvec_page_state(newpage, NR_FILE_PAGES); __dec_lruvec_page_state(oldpage, NR_FILE_PAGES); } |