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-rw-r--r--include/linux/page-flags.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index b70124b9c7c1..97eb88dbcbbc 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;