[PARISC] Reserve 1GB of space for vmalloc/tmpalias space on parisc64

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/include/asm-parisc/page.h b/include/asm-parisc/page.h
index 3567208191e3..dcf9047f7fb4 100644
--- a/include/asm-parisc/page.h
+++ b/include/asm-parisc/page.h
@@ -127,7 +127,11 @@ extern int npmem_ranges;
 /* This governs the relationship between virtual and physical addresses.
  * If you alter it, make sure to take care of our various fixed mapping
  * segments in fixmap.h */
-#define __PAGE_OFFSET           (0x10000000)
+#ifdef CONFIG_64BIT
+#define __PAGE_OFFSET   (0x40000000)    /* 1GB */
+#else
+#define __PAGE_OFFSET   (0x10000000)    /* 256MB */
+#endif
 
 #define PAGE_OFFSET             ((unsigned long)__PAGE_OFFSET)