diff options
author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-12-22 18:07:47 -0500 |
---|---|---|
committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-21 12:56:36 -0400 |
commit | 83afb52e47d5e31c7d58c07a6d31c43b5ef421a0 (patch) | |
tree | b5a9020cab28452ee8f633a263ce5c3bc769e96c /mm/gup.c | |
parent | 667ed1f7bb3b1c1ec2512e64cec04a07df7c5068 (diff) | |
download | linux-83afb52e47d5e31c7d58c07a6d31c43b5ef421a0.tar.bz2 |
mm/gup: Convert gup_huge_pud() 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/gup.c')
-rw-r--r-- | mm/gup.c | 11 |
1 files changed, 6 insertions, 5 deletions
@@ -2524,7 +2524,8 @@ static int gup_huge_pud(pud_t orig, pud_t *pudp, 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 (!pud_access_permitted(orig, flags & FOLL_WRITE)) @@ -2540,17 +2541,17 @@ static int gup_huge_pud(pud_t orig, pud_t *pudp, unsigned long addr, page = nth_page(pud_page(orig), (addr & ~PUD_MASK) >> PAGE_SHIFT); refs = record_subpages(page, addr, end, pages + *nr); - head = try_grab_compound_head(pud_page(orig), refs, flags); - if (!head) + folio = try_grab_folio(page, refs, flags); + if (!folio) return 0; if (unlikely(pud_val(orig) != pud_val(*pudp))) { - put_compound_head(head, refs, flags); + gup_put_folio(folio, refs, flags); return 0; } *nr += refs; - SetPageReferenced(head); + folio_set_referenced(folio); return 1; } |