summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/sparc/include/asm/page_64.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h
index d95931247feb..9dd0f7360822 100644
--- a/arch/sparc/include/asm/page_64.h
+++ b/arch/sparc/include/asm/page_64.h
@@ -117,7 +117,9 @@ typedef pte_t *pgtable_t;
/* We used to stick this into a hard-coded global register (%g4)
* but that does not make sense anymore.
*/
-#define PAGE_OFFSET _AC(0xFFFFF80000000000,UL)
+#define MAX_SUPPORTED_PA_BITS 43
+#define PAGE_OFFSET_BY_BITS(X) (-(_AC(1,UL) << (X)))
+#define PAGE_OFFSET PAGE_OFFSET_BY_BITS(MAX_SUPPORTED_PA_BITS)
#ifndef __ASSEMBLY__