[4/6] sh: add mm API for DMA to vmalloc/vmap areas

Commit Message

James Bottomley Nov. 17, 2009, 5:03 p.m. UTC

None

Patch

diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index 4c5462d..3cb8824 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -48,6 +48,14 @@  static inline void flush_kernel_dcache_page(struct page *page)
 {
 	flush_dcache_page(page);
 }
+static inline void flush_kernel_dcache_addr(void *addr)
+{
+	__flush_wback_region(addr, PAGE_SIZE);
+}
+static inline void invalidate_kernel_dcache_addr(void *addr)
+{
+	__flush_invalidate_region(addr, PAGE_SIZE);
+}
 
 #if defined(CONFIG_CPU_SH4) && !defined(CONFIG_CACHE_OFF)
 extern void copy_to_user_page(struct vm_area_struct *vma,