From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Mon, 29 Sep 2008 19:13:26 +0000 (-0700)
Subject: x86: fix pagetable init 64-bit breakage
X-Git-Tag: v2.6.28-rc1~713^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=28dd033f43ca957cd751e02652b36c6fa364ca18;p=profile%2Fivi%2Fkernel-x86-ivi.git

x86: fix pagetable init 64-bit breakage

Fix _end alignment check - can trigger a crash if _end happens to be
on a page boundary.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index f54a4d9..6116ff0 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -510,7 +510,7 @@ static int is_kernel(unsigned long pfn)
 	unsigned long pg_addresss = pfn << PAGE_SHIFT;
 
 	if (pg_addresss >= (unsigned long) __pa(_text) &&
-	    pg_addresss <= (unsigned long) __pa(_end))
+	    pg_addresss < (unsigned long) __pa(_end))
 		return 1;
 
 	return 0;