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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2025-09-10 15:29:18 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-09-21 14:22:32 -0700 |
| commit | 6fd893a40e3c990ea4ca3a9c084d1ddc3020d936 (patch) | |
| tree | 44f6d30ae5b8d251e63768fd705ba52d4c852d04 | |
| parent | mm: constify compound_order() and page_size() (diff) | |
| download | linux-6fd893a40e3c990ea4ca3a9c084d1ddc3020d936.tar.gz linux-6fd893a40e3c990ea4ca3a9c084d1ddc3020d936.zip | |
mm: remove redundant test in validate_page_before_insert()
The page_has_type() call would have included slab since commit
46df8e73a4a3 and now we don't even get that far because slab pages have a
zero refcount since commit 9aec2fb0fd5e.
Link: https://lkml.kernel.org/r/20250910142923.2465470-3-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/memory.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/memory.c b/mm/memory.c index 41e641823558..17cebb97beae 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2266,8 +2266,7 @@ static int validate_page_before_insert(struct vm_area_struct *vma, return -EINVAL; return 0; } - if (folio_test_anon(folio) || folio_test_slab(folio) || - page_has_type(page)) + if (folio_test_anon(folio) || page_has_type(page)) return -EINVAL; flush_dcache_folio(folio); return 0; |