Message-ID: <4A692444.2030303@cn.fujitsu.com>
Date: Fri, 24 Jul 2009 11:02:28 +0800
From: Li Zefan <lizf@cn.fujitsu.com>
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To: Dave Hansen <dave@linux.vnet.ibm.com>
CC: akpm@linux-foundation.org, containers@lists.linux-foundation.org,
       linux-kernel@vger.kernel.org, menage@google.com,
       vda.linux@googlemail.com, mikew@google.com, xiyou.wangcong@gmail.com,
       kamezawa.hiroyu@jp.fujitsu.com, hpa@zytor.com, bblum@google.com
Subject: Re: [RFC][PATCH] flexible array implementation v4
References: <20090723152647.D9391722@kernel>
In-Reply-To: <20090723152647.D9391722@kernel>
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Dave Hansen wrote:
> Remaining issues:
> - How should we deal with out-of-range indexes, especially
>   in flex_array_get() which returns void*?  ERR_PTR()?
>   BUG_ON()?  return NULL (current behavior)?
> - Should care be taken not to allow a flex_array_get() to
>   an index where no flex_array_put() was done?
> - Should we decay further than just packing things into the
>   'base' page?  Should we actually kmalloc() less than a
>   page at times when it will fit?
> 

I sugguest find some candidate users and see how this flex_array
fits them.

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