From 87763eec877a2d7c34ac81d5eedebc556c4608a1 Mon Sep 17 00:00:00 2001
From: Jan Beulich <JBeulich@suse.com>
Date: Fri, 7 Sep 2012 07:54:52 +0100
Subject: [PATCH] --- yaml --- r: 324024 b: refs/heads/master c:
 d4c9dbc61fe0ca042b835c6f234af12fa5f18310 h: refs/heads/master v: v3

---
 [refs]                  | 2 +-
 trunk/arch/x86/mm/tlb.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 12bc6aaae847..06222c7e543e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 057237bb35a605d795fd787868a1088705f26ee5
+refs/heads/master: d4c9dbc61fe0ca042b835c6f234af12fa5f18310
diff --git a/trunk/arch/x86/mm/tlb.c b/trunk/arch/x86/mm/tlb.c
index 613cd83e8c0c..a085c560b4a5 100644
--- a/trunk/arch/x86/mm/tlb.c
+++ b/trunk/arch/x86/mm/tlb.c
@@ -320,7 +320,7 @@ static ssize_t tlbflush_write_file(struct file *file,
 	if (kstrtos8(buf, 0, &shift))
 		return -EINVAL;
 
-	if (shift > 64)
+	if (shift < -1 || shift >= BITS_PER_LONG)
 		return -EINVAL;
 
 	tlb_flushall_shift = shift;