2012-11-26 09:56:04

by Wen Congyang

Subject: [PATCH] memory: fix the argument passed to sync_alobal_pgds()

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

Cc: Yasuaki Ishimatsu <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Jiang Liu <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: KOSAKI Motohiro <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Signed-off-by: Wen Congyang <[email protected]>
---
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 3baff25..df50b43 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();

@@ -979,7 +979,7 @@ 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;
}

--
1.8.0