[PATCH v1 09/18] mm/memory-failure: use folio_mapcount() in hwpoison_user_mappings()
David Hildenbrand <[email protected]>
| Newsgroups | gmane.linux.kernel.cgroups,gmane.linux.kernel,gmane.linux.kernel.mm,gmane.linux.documentation,gmane.linux.ports.sh.devel,gmane.linux.file-systems |
|---|---|
| Message-ID | <[email protected]> |
We want to limit the use of page_mapcount() to the places where it is absolutely necessary. We can only unmap full folios; page_mapped(), which we check here, is translated to folio_mapped() -- based on folio_mapcount(). So let's print the folio mapcount instead. Signed-off-by: David Hildenbrand <[email protected]> --- mm/memory-failure.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 88359a185c5f..ee2f4b8905ef 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1628,8 +1628,8 @@ static bool hwpoison_user_mappings(struct page *p, unsigned long pfn, unmap_success = !page_mapped(p); if (!unmap_success) - pr_err("%#lx: failed to unmap page (mapcount=%d)\n", - pfn, page_mapcount(p)); + pr_err("%#lx: failed to unmap page (folio mapcount=%d)\n", + pfn, folio_mapcount(page_folio(p))); /* * try_to_unmap() might put mlocked page in lru cache, so call -- 2.44.0