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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-03-21 14:24:42 +0000 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-04-24 19:34:26 -0700 |
| commit | fd1a745ce03e37945674c14833870a9af0882e2d (patch) | |
| tree | c42239c377c8f8e459362f8bbbe4badebf368faf /kernel/vmcore_info.c | |
| parent | 12bbaae7635a56049779db3bef6e7140d9aa5f67 (diff) | |
| download | linux-fd1a745ce03e37945674c14833870a9af0882e2d.tar.gz linux-fd1a745ce03e37945674c14833870a9af0882e2d.tar.bz2 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 'kernel/vmcore_info.c')
0 files changed, 0 insertions, 0 deletions