From: Matthew Wilcox (Oracle) Date: Fri, 13 May 2022 03:23:05 +0000 (-0700) Subject: mm: add folio_mapping_flags() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a9595b305c0f6cbbf9505325509d95637f6a7062;p=linux.git mm: add folio_mapping_flags() This is the equivalent of PageMappingFlags and is needed for converting mm/migrate.c to folios. Link: https://lkml.kernel.org/r/20220504182857.4013401-25-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Christoph Hellwig Signed-off-by: Andrew Morton --- diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index b70124b9c7c15..97eb88dbcbbca 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -650,6 +650,11 @@ __PAGEFLAG(Reported, reported, PF_NO_COMPOUND) #define PAGE_MAPPING_KSM (PAGE_MAPPING_ANON | PAGE_MAPPING_MOVABLE) #define PAGE_MAPPING_FLAGS (PAGE_MAPPING_ANON | PAGE_MAPPING_MOVABLE) +static __always_inline bool folio_mapping_flags(struct folio *folio) +{ + return ((unsigned long)folio->mapping & PAGE_MAPPING_FLAGS) != 0; +} + static __always_inline int PageMappingFlags(struct page *page) { return ((unsigned long)page->mapping & PAGE_MAPPING_FLAGS) != 0;