[PATCH v2 01/28] csky,sparc: Declare flush_dcache_folio()

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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




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