Return-Path: Received: from mx2.netapp.com ([216.240.18.37]:22732 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758069Ab1ILPye convert rfc822-to-8bit (ORCPT ); Mon, 12 Sep 2011 11:54:34 -0400 Subject: RE: Regression seen when HIGHMEM enabled with NFS on 3.1rc4 kernel From: Trond Myklebust To: Sricharan R Cc: linux-omap@vger.kernel.org, linux-nfs@vger.kernel.org Date: Mon, 12 Sep 2011 11:54:18 -0400 In-Reply-To: <1315838509.12736.4.camel@lade.trondhjem.org> References: <1315594317.17611.25.camel@lade.trondhjem.org> <1315838509.12736.4.camel@lade.trondhjem.org> Content-Type: text/plain; charset="UTF-8" Message-ID: <1315842858.15975.2.camel@lade.trondhjem.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: MIME-Version: 1.0 On Mon, 2011-09-12 at 10:41 -0400, Trond Myklebust wrote: > On Mon, 2011-09-12 at 11:46 +0530, Sricharan R wrote: > > Thanks for the response. > > I added a printk just before err = sock->ops->sendpage(sock, *ppage, base, > > len, flags); > > So here are values when *ppage is NULL. > > > > xdr->page_base= 0xCE9 xdr->page_len=0x400 len=0xE9 remainder=0x0. > > > > Thanks, > > Sricharan > > Can you please tell me what the mount options are for this setup? I'm guessing you've got wsize=1024, in which case, can you please try the following patch? Cheers Trond 8<--------------------------------------------------------------------------