From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Wheeler Subject: Re: [PATCH net] bna: page allocation during interrupts to use a mempool. Date: Wed, 8 Oct 2014 12:07:59 -0700 (PDT) Message-ID: References: <20140929092833.6c2cb7e9@urahara> <262CB373A6D1F14F9B81E82F74F77D5A4704FAE7@avmb2.qlogic.org> <1412646735.11091.93.camel@edumazet-glaptop2.roam.corp.google.com> <1412651746.11091.98.camel@edumazet-glaptop2.roam.corp.google.com> <1412731718.11091.175.camel@edumazet-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Shahed Shaikh , Stephen Hemminger , netdev , Rasesh Mody To: Eric Dumazet Return-path: Received: from homie.mail.dreamhost.com ([208.97.132.208]:34018 "EHLO homiemail-a9.g.dreamhost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751517AbaJHSwV (ORCPT ); Wed, 8 Oct 2014 14:52:21 -0400 In-Reply-To: <1412731718.11091.175.camel@edumazet-glaptop2.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, 7 Oct 2014, Eric Dumazet wrote: > On Tue, 2014-10-07 at 17:48 -0700, Eric Wheeler wrote: > >> Just += unmap->vector.len still did not work (same backtrace), so I've >> rebuilt with PAGE_SIZE<<2 and so far so good. I'll let it run all night >> and see if we get any problems. > > Further inspection of the driver told me that unmap->vector.len should > be 16384 already. (same than PAGE_SIZE << 2) > (set at line 304, drivers/net/ethernet/brocade/bna/bnad.c) > > So you might hit memory fragmentation issues. > > Do you have CONFIG_COMPACTION=y in your .config ? yes. -e > > > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >