linux-kernel - Re: [PATCH v2 1/3] mm/vmalloc: don't set area->caller twice

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Date:	Tue, 03 Sep 2013 13:34:58 +0800
From:	Zhang Yanfei <zhangyanfei@...fujitsu.com>
To:	Wanpeng Li <liwanp@...ux.vnet.ibm.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	David Rientjes <rientjes@...gle.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] mm/vmalloc: don't set area->caller twice

On 09/03/2013 11:00 AM, Wanpeng Li wrote:
> Changelog:
>  * rebase against mmotm tree
> 
> The caller address has already been set in set_vmalloc_vm(), there's no need
> to set it again in __vmalloc_area_node.
> 
> Signed-off-by: Wanpeng Li <liwanp@...ux.vnet.ibm.com>

Reviewed-by: Zhang Yanfei <zhangyanfei@...fujitsu.com>

> ---
>  mm/vmalloc.c |    1 -
>  1 files changed, 0 insertions(+), 1 deletions(-)
> 
> diff --git a/mm/vmalloc.c b/mm/vmalloc.c
> index 1074543..d78d117 100644
> --- a/mm/vmalloc.c
> +++ b/mm/vmalloc.c
> @@ -1566,7 +1566,6 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
>  		pages = kmalloc_node(array_size, nested_gfp, node);
>  	}
>  	area->pages = pages;
> -	area->caller = caller;
>  	if (!area->pages) {
>  		remove_vm_area(area->addr);
>  		kfree(area);
> 


-- 
Thanks.
Zhang Yanfei
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