Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752195AbbEAUth (ORCPT ); Fri, 1 May 2015 16:49:37 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:33811 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751233AbbEAUte (ORCPT ); Fri, 1 May 2015 16:49:34 -0400 Date: Fri, 1 May 2015 22:49:30 +0200 From: Greg Kroah-Hartman To: "Simmons, James A." Cc: "'Dan Carpenter'" , "devel@driverdev.osuosl.org" , "kernel-janitors@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Oleg Drokin , "'Julia Lawall'" , "HPDD-discuss@lists.01.org" Subject: Re: [HPDD-discuss] [PATCH 2/11] Staging: lustre: fld: Use kzalloc and kfree Message-ID: <20150501204930.GB2265@kroah.com> References: <1430495482-933-1-git-send-email-Julia.Lawall@lip6.fr> <1430495482-933-11-git-send-email-Julia.Lawall@lip6.fr> <20150501200221.GF14154@mwanda> <9f81478864bc422c9a59cddbaa723052@EXCHCS32.ornl.gov> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9f81478864bc422c9a59cddbaa723052@EXCHCS32.ornl.gov> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1235 Lines: 33 On Fri, May 01, 2015 at 08:36:05PM +0000, Simmons, James A. wrote: > >We are hopefully going to get rid of OBD_ALLOC_LARGE() as well, though. > > > >It's simple enough to write a function: > > > >void *obd_zalloc(size_t size) > >{ > > if (size > 4 * PAGE_CACHE_SIZE) > > return vzalloc(size); > > else > > return kmalloc(size, GFP_NOFS); > >} > > > >Except, huh? Shouldn't we be using GFP_NOFS for the vzalloc() side? > >There was some discussion of that GFP_NOFS was a bit buggy back in 2010 > >(http://marc.info/?l=linux-mm&m=128942194520631&w=4) but the current > >lustre code doesn't try to pass GFP_NOFS. > > The version in the upstream client is out of date. The current macro in the Intel master > Branch is: That's not helpful at all, why do we even have an in-kernel version of this code if you don't do your development in the kernel? Please sync with the kernel tree very soon, or I'm just going to delete this whole thing. This is getting _really_ frustrating. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/