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Message-Id: <1362757301-18550-2-git-send-email-toshi.kani@hp.com> Date: Fri, 8 Mar 2013 08:41:41 -0700 From: Toshi Kani <toshi.kani@...com> To: akpm@...ux-foundation.org Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org, isimatu.yasuaki@...fujitsu.com, wency@...fujitsu.com, tangchen@...fujitsu.com, Toshi Kani <toshi.kani@...com> Subject: [PATCH 2/2] mm: remove_memory: Fix end_pfn setting remove_memory() calls walk_memory_range() with [start_pfn, end_pfn), where end_pfn is exclusive in this range. Therefore, end_pfn needs to be set to the next page of the end address. Signed-off-by: Toshi Kani <toshi.kani@...com> --- mm/memory_hotplug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index ae7bcba..3e2ab7b 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1801,7 +1801,7 @@ int __ref remove_memory(int nid, u64 start, u64 size) int retry = 1; start_pfn = PFN_DOWN(start); - end_pfn = start_pfn + PFN_DOWN(size); + end_pfn = PFN_UP(start + size - 1); /* * When CONFIG_MEMCG is on, one memory block may be used by other -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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