block: add helpers to run flush_dcache_page() against a bio and a request's pages

[mirror_ubuntu-bionic-kernel.git] / arch / mips / include / asm / cacheflush.h

diff --git a/arch/mips/include/asm/cacheflush.h b/arch/mips/include/asm/cacheflush.h
index 03b1d69b142fcf4650b1dc16cb0fb1683fe94b88..40bb9fde205ff9756812134cc826120f5d8bcb30 100644 (file)
--- a/arch/mips/include/asm/cacheflush.h
+++ b/arch/mips/include/asm/cacheflush.h
@@ -38,6 +38,7 @@ extern void (*flush_cache_range)(struct vm_area_struct *vma,
 extern void (*flush_cache_page)(struct vm_area_struct *vma, unsigned long page, unsigned long pfn);
 extern void __flush_dcache_page(struct page *page);
 
+#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
 static inline void flush_dcache_page(struct page *page)
 {
        if (cpu_has_dc_aliases || !cpu_has_ic_fills_f_dc)