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Diffstat (limited to 'arch/powerpc/include/asm/pgtable-ppc64.h')
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc64.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index 7254c5a3187..200ec2dfa03 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -46,6 +46,7 @@
/*
* The vmalloc space starts at the beginning of that region, and
* occupies half of it on hash CPUs and a quarter of it on Book3E
+ * (we keep a quarter for the virtual memmap)
*/
#define VMALLOC_START KERN_VIRT_START
#ifdef CONFIG_PPC_BOOK3E
@@ -83,7 +84,7 @@
#define VMALLOC_REGION_ID (REGION_ID(VMALLOC_START))
#define KERNEL_REGION_ID (REGION_ID(PAGE_OFFSET))
-#define VMEMMAP_REGION_ID (0xfUL)
+#define VMEMMAP_REGION_ID (0xfUL) /* Server only */
#define USER_REGION_ID (0UL)
/*