These architectures do not include asm-generic/cacheflush.h so need to declare it themselves. Fixes: 08b0b0059bf1 ("mm: Add flush_dcache_folio()") Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> --- arch/csky/abiv1/inc/abi/cacheflush.h | 1 + arch/csky/abiv2/inc/abi/cacheflush.h | 2 ++ arch/sparc/include/asm/cacheflush_32.h | 1 + arch/sparc/include/asm/cacheflush_64.h | 1 + 4 files changed, 5 insertions(+) diff --git a/arch/csky/abiv1/inc/abi/cacheflush.h b/arch/csky/abiv1/inc/abi/cacheflush.h index ed62e2066ba7..432aef1f1dc2 100644 --- a/arch/csky/abiv1/inc/abi/cacheflush.h +++ b/arch/csky/abiv1/inc/abi/cacheflush.h @@ -9,6 +9,7 @@ #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page *); +void flush_dcache_folio(struct folio *folio); #define flush_cache_mm(mm) dcache_wbinv_all() #define flush_cache_page(vma, page, pfn) cache_wbinv_all() diff --git a/arch/csky/abiv2/inc/abi/cacheflush.h b/arch/csky/abiv2/inc/abi/cacheflush.h index a565e00c3f70..7e8bef60958c 100644 --- a/arch/csky/abiv2/inc/abi/cacheflush.h +++ b/arch/csky/abiv2/inc/abi/cacheflush.h @@ -25,6 +25,8 @@ static inline void flush_dcache_page(struct page *page) clear_bit(PG_dcache_clean, &page->flags); } +void flush_dcache_folio(struct folio *folio); + #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) #define flush_icache_page(vma, page) do { } while (0) diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h index 41c6d734a474..9991c18f4980 100644 --- a/arch/sparc/include/asm/cacheflush_32.h +++ b/arch/sparc/include/asm/cacheflush_32.h @@ -37,6 +37,7 @@ void sparc_flush_page_to_ram(struct page *page); +void flush_dcache_folio(struct folio *folio); #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 #define flush_dcache_page(page) sparc_flush_page_to_ram(page) #define flush_dcache_mmap_lock(mapping) do { } while (0) diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h index b9341836597e..9ab59a73c28b 100644 --- a/arch/sparc/include/asm/cacheflush_64.h +++ b/arch/sparc/include/asm/cacheflush_64.h @@ -47,6 +47,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page); void __flush_dcache_range(unsigned long start, unsigned long end); #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 void flush_dcache_page(struct page *page); +void flush_dcache_folio(struct folio *folio); #define flush_icache_page(vma, pg) do { } while(0) -- 2.33.0