From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lb0-f178.google.com (mail-lb0-f178.google.com [209.85.217.178]) by kanga.kvack.org (Postfix) with ESMTP id 01C336B0037 for ; Tue, 11 Feb 2014 12:10:40 -0500 (EST) Received: by mail-lb0-f178.google.com with SMTP id u14so6257387lbd.9 for ; Tue, 11 Feb 2014 09:10:40 -0800 (PST) Received: from mx2.suse.de (cantor2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id 6si10378077laq.175.2014.02.11.09.10.38 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 11 Feb 2014 09:10:39 -0800 (PST) Date: Tue, 11 Feb 2014 17:10:35 +0000 From: Mel Gorman Subject: Re: [PATCH 0/4] hugetlb: add hugepagesnid= command-line option Message-ID: <20140211171035.GN6732@suse.de> References: <1392053268-29239-1-git-send-email-lcapitulino@redhat.com> <20140211092514.GH6732@suse.de> <20140211152629.GA28210@amt.cnet> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20140211152629.GA28210@amt.cnet> Sender: owner-linux-mm@kvack.org List-ID: To: Marcelo Tosatti Cc: David Rientjes , Luiz Capitulino , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton , Andrea Arcangeli , Andi Kleen , Rik van Riel On Tue, Feb 11, 2014 at 01:26:29PM -0200, Marcelo Tosatti wrote: > > Or take a stab at allocating 1G pages at runtime. It would require > > finding properly aligned 1Gs worth of contiguous MAX_ORDER_NR_PAGES at > > runtime. I would expect it would only work very early in the lifetime of > > the system but if the user is willing to use kernel parameters to > > allocate them then it should not be an issue. > > Can be an improvement on top of the current patchset? Certain use-cases > require allocation guarantees (even if that requires kernel parameters). > Sure, they're not mutually exclusive. It would just avoid the need to create a new kernel parameter and use the existing interfaces. -- Mel Gorman SUSE Labs -- 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