From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx156.postini.com [74.125.245.156]) by kanga.kvack.org (Postfix) with SMTP id 933616B002B for ; Mon, 24 Sep 2012 05:04:12 -0400 (EDT) Date: Mon, 24 Sep 2012 12:03:53 +0300 From: Dan Carpenter Subject: Re: iwl3945: order 5 allocation during ifconfig up; vm problem? Message-ID: <20120924090353.GA5368@mwanda> References: <20120909213228.GA5538@elf.ucw.cz> <20120910111113.GA25159@elf.ucw.cz> <20120911162536.bd5171a1.akpm@linux-foundation.org> <1347426988.13103.684.camel@edumazet-glaptop> <20120912055712.GE11613@merlins.org> <1347432846.4293.0.camel@jlt4.sipsolutions.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1347432846.4293.0.camel@jlt4.sipsolutions.net> Sender: owner-linux-mm@kvack.org List-ID: To: Johannes Berg Cc: Marc MERLIN , Eric Dumazet , Andrew Morton , Pavel Machek , David Rientjes , sgruszka@redhat.com, linux-wireless@vger.kernel.org, wey-yi.w.guy@intel.com, ilw@linux.intel.com, Andrew Morton , Mel Gorman , linux-kernel@vger.kernel.org, linux-mm@kvack.org On Wed, Sep 12, 2012 at 08:54:06AM +0200, Johannes Berg wrote: > On Tue, 2012-09-11 at 22:57 -0700, Marc MERLIN wrote: > > On Wed, Sep 12, 2012 at 07:16:28AM +0200, Eric Dumazet wrote: > > > On Tue, 2012-09-11 at 16:25 -0700, Andrew Morton wrote: > > > > > > > Asking for a 256k allocation is pretty crazy - this is an operating > > > > system kernel, not a userspace application. > > > > > > > > I'm wondering if this is due to a recent change, but I'm having trouble > > > > working out where the allocation call site is. > > > > -- > > > > > > (Adding Marc Merlin to CC, since he reported same problem) > > > > > > Thats the firmware loading in iwlwifi driver. Not sure if it can use SG. > > > > > > drivers/net/wireless/iwlwifi/iwl-drv.c > > > > > > iwl_alloc_ucode() -> iwl_alloc_fw_desc() -> dma_alloc_coherent() I'm filing bugzilla entries for regressions. What's the status on this? regards, dan carpenter -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org