linux-kernel - Re: [PATCH 1/2]suppress "Device memoryX does not have a release() function" warning

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Message-ID: <alpine.DEB.2.00.1210111323370.28062@chino.kir.corp.google.com>
Date:	Thu, 11 Oct 2012 13:23:49 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>
cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org, liuj97@...il.com,
	minchan.kim@...il.com, akpm@...ux-foundation.org,
	kosaki.motohiro@...fujitsu.com, wency@...fujitsu.com
Subject: Re: [PATCH 1/2]suppress "Device memoryX does not have a release()
 function" warning

On Thu, 11 Oct 2012, Yasuaki Ishimatsu wrote:

> When calling remove_memory_block(), the function shows following message at
> device_release().
> 
> "Device 'memory528' does not have a release() function, it is broken and must
> be fixed."
> 
> The reason is memory_block's device struct does not have a release() function.
> 
> So the patch registers memory_block_release() to the device's release() function
> for suppressing the warning message. Additionally, the patch moves kfree(mem)
> into the release function since the release function is prepared as a means
> to free a memory_block struct.
> 
> CC: David Rientjes <rientjes@...gle.com>
> CC: Jiang Liu <liuj97@...il.com>
> Cc: Minchan Kim <minchan.kim@...il.com>
> CC: Andrew Morton <akpm@...ux-foundation.org>
> CC: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> CC: Wen Congyang <wency@...fujitsu.com>
> Signed-off-by: Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>

Acked-by: David Rientjes <rientjes@...gle.com>
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