From 9215da33209b861b01c51382254b178a3fe92a30 Mon Sep 17 00:00:00 2001
From: Jan Beulich <jbeulich@novell.com>
Date: Wed, 2 May 2007 19:27:05 +0200
Subject: [PATCH] [PATCH] i386: mtrr range check correction
Whether a region is below 1Mb is determined by its start rather than
its end.
This hunk got erroneously dropped from a previous patch.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/i386/kernel/cpu/mtrr/generic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/i386/kernel/cpu/mtrr/generic.c b/arch/i386/kernel/cpu/mtrr/generic.c
index f77fc53db65..68b38378888 100644
--- a/arch/i386/kernel/cpu/mtrr/generic.c
+++ b/arch/i386/kernel/cpu/mtrr/generic.c
@@ -428,7 +428,7 @@ int generic_validate_add_page(unsigned long base, unsigned long size, unsigned i
}
}
- if (base + size < 0x100) {
+ if (base < 0x100) {
printk(KERN_WARNING "mtrr: cannot set region below 1 MiB (0x%lx000,0x%lx000)\n",
base, size);
return -EINVAL;
--
2.41.3