linux-kernel - Re: [PATCH v2 2/2] btrfs-progs: Fix up memory leakage

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Message-ID: <CAEH94Ljvso=7jtBg+gYw3UiKwL=x8EGEXjjSXMGAT6BePAdUug@mail.gmail.com>
Date:	Tue, 25 Sep 2012 22:03:38 +0800
From:	Zhi Yong Wu <zwu.kernel@...il.com>
To:	dave@...os.cz, zwu.kernel@...il.com, linux-btrfs@...r.kernel.org,
	linux-kernel@...r.kernel.org, jbacik@...ionio.com,
	linuxram@...ux.vnet.ibm.com, Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>
Subject: Re: [PATCH v2 2/2] btrfs-progs: Fix up memory leakage

On Tue, Sep 25, 2012 at 6:14 PM, David Sterba <dave@...os.cz> wrote:
> On Tue, Sep 25, 2012 at 10:02:16AM +0800, zwu.kernel@...il.com wrote:
>> From: Zhi Yong Wu <wuzhy@...ux.vnet.ibm.com>
>>
>>   Some code pathes forget to free memory on exit.
>
> Same as with the fd's, kernel will free all memory for us at exit().
hi, can you let me know the pointer to exit() said by you?

>
> If there's lots of memory allocated, it may be even faster to leave the
> unallocation process to kernel as it will do it in one go, while the
> application would unnecessarily free it chunk by chunk.
got it, thanks.
>
> david



-- 
Regards,

Zhi Yong Wu
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