From: Andi Kleen <ak@suse.de>
Date: Mon, 12 Sep 2005 16:49:24 +0000 (+0200)
Subject: [PATCH] x86-64: Fix harmless off by one in e820 code
X-Git-Tag: v2.6.14-rc1~64
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c7a3897f678cfafebc8ec0a5e61a814f2f24e42;p=linux-2.6

[PATCH] x86-64: Fix harmless off by one in e820 code

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index bb0ae18ec0..eb7929eea7 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -131,7 +131,7 @@ void __init e820_bootmem_free(pg_data_t *pgdat, unsigned long start,unsigned lon
 
 		if (ei->type != E820_RAM || 
 		    ei->addr+ei->size <= start || 
-		    ei->addr > end)
+		    ei->addr >= end)
 			continue;
 
 		addr = round_up(ei->addr, PAGE_SIZE);