diff mbox

still nfs problems [Was: Linux 2.6.37-rc8]

Message ID 1294348078.22825.346.camel@mulgrave.site
State Superseded, archived
Headers show

Commit Message

James Bottomley Jan. 6, 2011, 9:07 p.m. UTC
None
diff mbox

Patch

diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 3acd8fa..34469ca 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -414,8 +414,17 @@  static inline void flush_kernel_vmap_range(void *addr, int size)
 }
 static inline void invalidate_kernel_vmap_range(void *addr, int size)
 {
-	if ((cache_is_vivt() || cache_is_vipt_aliasing()))
-	  __cpuc_flush_dcache_area(addr, (size_t)size);
+	if ((cache_is_vivt() || cache_is_vipt_aliasing())) {
+		void *cursor = addr;
+
+		for ( ; cursor < addr + size; cursor += PAGE_SIZE) {
+			struct page *page = vmalloc_to_page(cursor);
+
+			if (!test_and_set_bit(PG_dcache_clean, &page->flags))
+				__flush_dcache_page(page_mapping(page), page);
+		}
+		__cpuc_flush_dcache_area(addr, (size_t)size);
+	}
 }
 
 #define ARCH_HAS_FLUSH_ANON_PAGE