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vmscan: check folio_test_private(), not folio_get_private()

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These two predicates are the same for file pages, but are not the same for
anonymous pages.

Link: https://lkml.kernel.org/r/20220902192639.1737108-3-willy@infradead.org
Fixes: 07f67a8dedc0 ("mm/vmscan: convert shrink_active_list() to use a folio")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reported-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-09-02 20:26:39 +01:00 committed by Andrew Morton
parent b9eb7776e8
commit 36a3b14b5f
1 changed files with 2 additions and 2 deletions
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4
mm/vmscan.c
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@ -2550,8 +2550,8 @@ static void shrink_active_list(unsigned long nr_to_scan,
}
if (unlikely(buffer_heads_over_limit)) {
if (folio_get_private(folio) && folio_trylock(folio)) {
if (folio_get_private(folio))
if (folio_test_private(folio) && folio_trylock(folio)) {
if (folio_test_private(folio))
filemap_release_folio(folio, 0);
folio_unlock(folio);
}