[ARM] 4078/1: Fix ARM copypage cache coherency problems

[firefly-linux-kernel-4.4.55.git] / include / asm-arm / cacheflush.h

diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index 378a3a2ce8d93ea717dd1a64009153fd6aa5e96b..d51049522cd0f764bc3f120e64032090f0626024 100644 (file)
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -355,6 +355,8 @@ extern void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
  */
 extern void flush_dcache_page(struct page *);
 
+extern void __flush_dcache_page(struct address_space *mapping, struct page *page);
+
 #define flush_dcache_mmap_lock(mapping) \
        write_lock_irq(&(mapping)->tree_lock)
 #define flush_dcache_mmap_unlock(mapping) \