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>

diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 2ead3c8a4c8419da92a61fbba35eb695e5205dde..e779e0bb1dfd2e90e35a5df844093ad4a8949a4a 100644 (file)
--- 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;
 }