Messages in this thread | | | Subject | Re: GFP_ATOMIC page allocation failures. | From | "Michael Chan" <> | Date | Wed, 02 Apr 2008 12:12:06 -0800 |
| |
On Wed, 2008-04-02 at 11:44 -0700, David Miller wrote: > From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> > Date: Wed, 02 Apr 2008 19:56:05 +0900 > > > 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.
tg3 hardware has a jumbo rx ring that can accommodate non-linear SKBs. Matt is working on some patches to add this feature.
| |