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| author | David Hildenbrand <[email protected]> | 2024-04-09 19:22:56 +0000 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2024-05-06 00:53:30 +0000 |
| commit | f0376c71093577ab9ca30721f8a7f5795d1e88c7 (patch) | |
| tree | c6df77c2c8ff20d316f686a614c1e82244db8182 /mm/filemap.c | |
| parent | sh/mm/cache: use folio_mapped() in copy_from_user_page() (diff) | |
| download | kernel-f0376c71093577ab9ca30721f8a7f5795d1e88c7.tar.gz kernel-f0376c71093577ab9ca30721f8a7f5795d1e88c7.zip | |
mm/filemap: use folio_mapcount() in filemap_unaccount_folio()
We want to limit the use of page_mapcount() to the places where it is
absolutely necessary.
Let's use folio_mapcount() instead of filemap_unaccount_folio().
No functional change intended, because we're only dealing with small
folios.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: David Hildenbrand <[email protected]>
Cc: Chris Zankel <[email protected]>
Cc: Hugh Dickins <[email protected]>
Cc: John Paul Adrian Glaubitz <[email protected]>
Cc: Jonathan Corbet <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Max Filippov <[email protected]>
Cc: Miaohe Lin <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: Naoya Horiguchi <[email protected]>
Cc: Peter Xu <[email protected]>
Cc: Richard Chang <[email protected]>
Cc: Rich Felker <[email protected]>
Cc: Ryan Roberts <[email protected]>
Cc: Yang Shi <[email protected]>
Cc: Yin Fengwei <[email protected]>
Cc: Yoshinori Sato <[email protected]>
Cc: Zi Yan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 18f4bce3741e..21e70434d931 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -168,7 +168,7 @@ static void filemap_unaccount_folio(struct address_space *mapping, add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE); if (mapping_exiting(mapping) && !folio_test_large(folio)) { - int mapcount = page_mapcount(&folio->page); + int mapcount = folio_mapcount(folio); if (folio_ref_count(folio) >= mapcount + 2) { /* |