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memory: fix the argument passed to sync_alobal_pgds()

PATCH New Wen Congyang 1 participant 1 message Nov 26, 2012

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Memory management x86 x86 MM
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Wen Congyang

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PATCH 1/1 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(-)
arch/x86/mm/init_64.c +2 -2
index 3baff25..df50b43 100644
@@ -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;
 }
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