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authorDavid Hildenbrand <david@redhat.com>2024-05-29 13:19:03 +0200
committerAndrew Morton <akpm@linux-foundation.org>2024-07-03 19:30:17 -0700
commit9bf46441ad86da901c902bf78df2d213cc601185 (patch)
tree3d17e88ca6750d7beefe85b02395e326242515a6 /mm/filemap.c
parente4d970acfb1e7d1e83ce3101dc3c01eae44938e1 (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>
Diffstat (limited to 'mm/filemap.c')
-rw-r--r--mm/filemap.c2
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);
}
}