diff options
| author | David Hildenbrand <david@redhat.com> | 2024-05-29 13:19:03 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-03 19:30:17 -0700 |
| commit | 9bf46441ad86da901c902bf78df2d213cc601185 (patch) | |
| tree | 3d17e88ca6750d7beefe85b02395e326242515a6 | |
| parent | e4d970acfb1e7d1e83ce3101dc3c01eae44938e1 (diff) | |
mm/filemap: reinitialize folio->_mapcount directly
Let's get rid of the page_mapcount_reset() call and simply reinitialize
folio->_mapcount directly.
Link: https://lkml.kernel.org/r/20240529111904.2069608-6-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Tested-by: Sergey Senozhatsky <senozhatsky@chromium.org> [zram/zsmalloc workloads]
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -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 876cc64aadd7..ea2d44fcd326 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -177,7 +177,7 @@ static void filemap_unaccount_folio(struct address_space *mapping, * and we'd rather not leak it: if we're wrong, * another bad page check should catch it later. */ - page_mapcount_reset(&folio->page); + atomic_set(&folio->_mapcount, -1); folio_ref_sub(folio, mapcount); } } |