netdev - Re: usbnet: use_mem_cache to avoid GFP

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Message-ID: <5882445.YVRAO0hhTt@linux-5eaq.site>
Date:	Wed, 13 Mar 2013 09:14:17 +0100
From:	Oliver Neukum <oneukum@...e.de>
To:	Facix Booka <facixbooka@...oo.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: usbnet: use_mem_cache to avoid GFP_ATOMIC

On Tuesday 12 March 2013 11:59:19 Facix Booka wrote:

>I would like to hand over my work to you kernel people. May be my problems 
>and fixes are only sience fiction to other problems in somewhere else what I 
>did not see. Default value can be use_mem_cache=1. 
>Print out "eth0: kevent 2 may have been dropped" may need attention.


Hi,

I am sorry, but this won't do.

1. It is too subtle
2. the resume() code path
3. use a pool if this is a real problem

	Regards
		Oliver

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