From f73568a059c3afd6323a9ee3860938df91252ee4 Mon Sep 17 00:00:00 2001
From: Wen Congyang
Date: Tue, 18 Dec 2012 12:22:21 -0800
Subject: x86/mm: Fix the argument passed to sync_global_pgds()

The address range of sync_global_pgds() should be [start, end],
but we pass [start, end) to this function.

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Jiang Liu <liuj97@gmail.com>
Cc: Minchan Kim <minchan.kim@gmail.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/mm/init_64.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 2ead3c8a4c84..e779e0bb1dfd 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -605,7 +605,7 @@ kernel_physical_mapping_init(unsigned long start,
 	}
 
 	if (pgd_changed)
-		sync_global_pgds(addr, end);
+		sync_global_pgds(addr, end - 1);
 
 	__flush_tlb_all();
 
@@ -981,7 +981,7 @@ vmemmap_populate(struct page *start_page, unsigned long size, int node)
 		}
 
 	}
-	sync_global_pgds((unsigned long)start_page, end);
+	sync_global_pgds((unsigned long)start_page, end - 1);
 	return 0;
 }
 
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