linux-kernel - Re: [PATCH V2 1/1] mm: introduce kvmalloc()/kvfree()

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Message-ID: <49220C1F.8040509@cn.fujitsu.com>
Date:	Tue, 18 Nov 2008 08:28:15 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Johannes Weiner <hannes@...xchg.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Dave Airlie <airlied@...il.com>,
	Paul Menage <menage@...gle.com>,
	kamezawa.hiroyu@...fujitsu.com,
	Balbir Singh <balbir@...ux.vnet.ibm.com>,
	Arjan van de Ven <arjan@...radead.org>,
	Jan Kara <jack@...e.cz>, Jes Sorensen <jes@....com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	dada1@...mosbay.com, Alexey Dobriyan <adobriyan@...il.com>,
	Jens Axboe <jens.axboe@...cle.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2 1/1] mm: introduce kvmalloc()/kvfree()

Johannes Weiner wrote:
> Hi Lai,
> 
> On Mon, Nov 17, 2008 at 08:26:12PM +0800, Lai Jiangshan wrote:
>> +/**
>> + * kvfree - free the memory by kfree(), or vfree() if it is vmalloc addr
> 
> Could that be just `free the memory allocated by kvmalloc()'?
> 
> 	Hannes
> 
> 
> 


We don't and we won't introduce another allocator, kvmalloc() is
a wrapper of kmalloc() and vmalloc(), and kvfree() is a wrapper
of kfree() and vfree()

	Lai.

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