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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-12-22 16:57:23 -0500 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-21 12:56:35 -0400 |
| commit | 667ed1f7bb3b1c1ec2512e64cec04a07df7c5068 (patch) | |
| tree | e3ee1ae1202db7ce2c2b89f06fc0adce78e8e89e /mm | |
| parent | 09a1626effb89dddcde10c10f5e3c5e6f8b94136 (diff) | |
| download | linux-667ed1f7bb3b1c1ec2512e64cec04a07df7c5068.tar.gz | |
mm/gup: Convert gup_huge_pmd() to use a folio
Use the new folio-based APIs. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Reviewed-by: William Kucharski <william.kucharski@oracle.com>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/gup.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/mm/gup.c b/mm/gup.c index bd5b49a1bc13..15de59333c3d 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -2489,7 +2489,8 @@ static int gup_huge_pmd(pmd_t orig, pmd_t *pmdp, unsigned long addr, unsigned long end, unsigned int flags, struct page **pages, int *nr) { - struct page *head, *page; + struct page *page; + struct folio *folio; int refs; if (!pmd_access_permitted(orig, flags & FOLL_WRITE)) @@ -2505,17 +2506,17 @@ static int gup_huge_pmd(pmd_t orig, pmd_t *pmdp, unsigned long addr, page = nth_page(pmd_page(orig), (addr & ~PMD_MASK) >> PAGE_SHIFT); refs = record_subpages(page, addr, end, pages + *nr); - head = try_grab_compound_head(pmd_page(orig), refs, flags); - if (!head) + folio = try_grab_folio(page, refs, flags); + if (!folio) return 0; if (unlikely(pmd_val(orig) != pmd_val(*pmdp))) { - put_compound_head(head, refs, flags); + gup_put_folio(folio, refs, flags); return 0; } *nr += refs; - SetPageReferenced(head); + folio_set_referenced(folio); return 1; } |