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author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-03-21 15:24:42 +0100 |
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committer | Andrew Morton <akpm@linux-foundation.org> | 2024-04-25 04:34:26 +0200 |
commit | fd1a745ce03e37945674c14833870a9af0882e2d (patch) | |
tree | c42239c377c8f8e459362f8bbbe4badebf368faf /mm | |
parent | mm: create FOLIO_FLAG_FALSE and FOLIO_TYPE_OPS macros (diff) | |
download | linux-fd1a745ce03e37945674c14833870a9af0882e2d.tar.xz linux-fd1a745ce03e37945674c14833870a9af0882e2d.zip |
mm: support page_mapcount() on page_has_type() pages
Return 0 for pages which can't be mapped. This matches how page_mapped()
works. It is more convenient for users to not have to filter out these
pages.
Link: https://lkml.kernel.org/r/20240321142448.1645400-5-willy@infradead.org
Fixes: 9c5ccf2db04b ("mm: remove HUGETLB_PAGE_DTOR")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions