X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=include%2Fasm-x86_64%2Fpgtable.h;h=715fd94cf5771b2ceedcbc26a972acee7dad7269;hb=8b11bd12aff76e02cdc2cbc9e439bba88d281223;hp=8fbf4dd72115da164273d16b90df27ff607638e1;hpb=9f5974c8734d83d4ab7096ed98136a82f41210d6;p=powerpc.git

diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 8fbf4dd721..715fd94cf5 100644
--- a/include/asm-x86_64/pgtable.h
+++ b/include/asm-x86_64/pgtable.h
@@ -131,7 +131,7 @@ static inline pte_t ptep_get_and_clear_full(struct mm_struct *mm, unsigned long
 #define PGDIR_SIZE	(1UL << PGDIR_SHIFT)
 #define PGDIR_MASK	(~(PGDIR_SIZE-1))
 
-#define USER_PTRS_PER_PGD	(TASK_SIZE/PGDIR_SIZE)
+#define USER_PTRS_PER_PGD	((TASK_SIZE-1)/PGDIR_SIZE+1)
 #define FIRST_USER_ADDRESS	0
 
 #ifndef __ASSEMBLY__