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authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-12-23 18:20:12 +0300
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-03-21 19:56:36 +0300
commit659508f9c936aa6e3aaf6e9cf6a4a8836b8f8355 (patch)
tree24078e2e3ea51f6da131f87a2a29797e97414bb7 /include/linux/mm.h
parent12521c7606b2037f8ac2a2fab19e955444a549cf (diff)
downloadlinux-659508f9c936aa6e3aaf6e9cf6a4a8836b8f8355.tar.xz
mm/gup: Turn compound_range_next() into gup_folio_range_next()
Convert the only caller to work on folios instead of pages. This removes the last caller of put_compound_head(), so delete it. 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 'include/linux/mm.h')
-rw-r--r--include/linux/mm.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index dca5c99395c9..0d3f9057a807 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -212,10 +212,10 @@ int overcommit_policy_handler(struct ctl_table *, int, void *, size_t *,
#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP)
#define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n))
-#define page_nth(head, tail) (page_to_pfn(tail) - page_to_pfn(head))
+#define folio_page_idx(folio, p) (page_to_pfn(p) - folio_pfn(folio))
#else
#define nth_page(page,n) ((page) + (n))
-#define page_nth(head, tail) ((tail) - (head))
+#define folio_page_idx(folio, p) ((p) - &(folio)->page)
#endif
/* to align the pointer to the (next) page boundary */