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>

1 files 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;
 }