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authorJan Beulich <jbeulich@novell.com>2006-02-26 04:18:25 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-02-26 09:53:30 -0800
commitf83f2b5fbab4585f4de4523c7879d60e3f85a248 (patch)
tree93377911ff62ca519e918bd061c77c79cb90fbda
parent60b08c67220cf6faef7410ac6adba23a8a743bf7 (diff)
downloadlinux-linaro-f83f2b5fbab4585f4de4523c7879d60e3f85a248.tar.gz
[PATCH] x86_64: fix USER_PTRS_PER_PGD
The value, while currently unused in the native kernel, was off by one. Signed-Off-By: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--include/asm-x86_64/pgtable.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h
index 8fbf4dd7211..715fd94cf57 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__