From: Wanpeng Li <liwanp@linux.vnet.ibm.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Rik van Riel <riel@redhat.com>,
Dave Hansen <dave.hansen@linux.intel.com>,
Fengguang Wu <fengguang.wu@intel.com>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Johannes Weiner <hannes@cmpxchg.org>, Tejun Heo <tj@kernel.org>,
Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com>,
David Rientjes <rientjes@google.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
Jiri Kosina <jkosina@suse.cz>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Wanpeng Li <liwanp@linux.vnet.ibm.com>
Subject: [PATCH 4/4] mm/vmalloc: use wrapper function get_vm_area_size to caculate size of vm area
Date: Thu, 15 Aug 2013 08:31:43 +0800 [thread overview]
Message-ID: <1376526703-2081-4-git-send-email-liwanp@linux.vnet.ibm.com> (raw)
In-Reply-To: <1376526703-2081-1-git-send-email-liwanp@linux.vnet.ibm.com>
Use wrapper function get_vm_area_size to calculate size of vm area.
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
---
mm/vmalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 93d3182..553368c 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1553,7 +1553,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
unsigned int nr_pages, array_size, i;
gfp_t nested_gfp = (gfp_mask & GFP_RECLAIM_MASK) | __GFP_ZERO;
- nr_pages = (area->size - PAGE_SIZE) >> PAGE_SHIFT;
+ nr_pages = get_vm_area_size(area) >> PAGE_SHIFT;
array_size = (nr_pages * sizeof(struct page *));
area->nr_pages = nr_pages;
--
1.8.1.2
--
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next prev parent reply other threads:[~2013-08-15 0:32 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-15 0:31 [PATCH 1/4] mm/pgtable: Fix continue to preallocate pmds even if failure occurrence Wanpeng Li
2013-08-15 0:31 ` [PATCH 2/4] mm/sparse: introduce alloc_usemap_and_memmap Wanpeng Li
2013-08-15 18:03 ` Dave Hansen
2013-08-16 0:08 ` Wanpeng Li
2013-08-16 0:08 ` Wanpeng Li
2013-08-15 0:31 ` [PATCH 3/4] mm/writeback: make writeback_inodes_wb static Wanpeng Li
2013-08-15 0:31 ` Wanpeng Li [this message]
2013-08-15 18:07 ` [PATCH 4/4] mm/vmalloc: use wrapper function get_vm_area_size to caculate size of vm area Dave Hansen
2013-08-15 23:49 ` Wanpeng Li
2013-08-15 23:49 ` Wanpeng Li
2013-08-15 17:55 ` [PATCH 1/4] mm/pgtable: Fix continue to preallocate pmds even if failure occurrence Dave Hansen
2013-08-15 23:47 ` Wanpeng Li
2013-08-15 23:47 ` Wanpeng Li
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