Re: GFP_ATOMIC page allocation failures.

David Miller
2008-04-02T18:44:57Z

From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Wed, 02 Apr 2008 19:56:05 +0900

>
> > ---------------------------------------------------------------------
> > We get rather a lot of reports of page allocation warnings coming out of
> > tg3. But this driver is know to handle them properly so let's suppress
> > them.
>
> BTW:
> other person's tg3 allocation failure bug report.
>
> http://bugzilla.kernel.org/show_bug.cgi?id=9771

Yes, I know about it. It will occur for any device
which must use linear RX buffers and supports
>PAGE_SIZE MTUs.

But modern chips are going to support segmentation of
receive packets into multiple individual pages and
therefore not have this order>0 page allocation
requirement.

That is my point.