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-rw-r--r--include/asm-sparc64/page.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-sparc64/page.h b/include/asm-sparc64/page.h
index c9f8ef208ea..7f8d764abc4 100644
--- a/include/asm-sparc64/page.h
+++ b/include/asm-sparc64/page.h
@@ -21,6 +21,13 @@
#define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT)
#define PAGE_MASK (~(PAGE_SIZE-1))
+/* Flushing for D-cache alias handling is only needed if
+ * the page size is smaller than 16K.
+ */
+#if PAGE_SHIFT < 14
+#define DCACHE_ALIASING_POSSIBLE
+#endif
+
#ifdef __KERNEL__
#ifndef __ASSEMBLY__