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Diffstat (limited to 'arch/sparc/include/asm/page_64.h')
-rw-r--r--arch/sparc/include/asm/page_64.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h
index 732ba178a289..6784a3382826 100644
--- a/arch/sparc/include/asm/page_64.h
+++ b/arch/sparc/include/asm/page_64.h
@@ -122,11 +122,11 @@ extern unsigned long PAGE_OFFSET;
#endif /* !(__ASSEMBLY__) */
-/* The maximum number of physical memory address bits we support, this
- * is used to size various tables used to manage kernel TLB misses and
- * also the sparsemem code.
+/* The maximum number of physical memory address bits we support. The
+ * largest value we can support is whatever "KPGD_SHIFT + KPTE_BITS"
+ * evaluates to.
*/
-#define MAX_PHYS_ADDRESS_BITS 47
+#define MAX_PHYS_ADDRESS_BITS 53
#define ILOG2_4MB 22
#define ILOG2_256MB 28