From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f49.google.com (mail-pb0-f49.google.com [209.85.160.49]) by kanga.kvack.org (Postfix) with ESMTP id 6F6166B004D for ; Wed, 19 Feb 2014 23:51:59 -0500 (EST) Received: by mail-pb0-f49.google.com with SMTP id up15so1382007pbc.22 for ; Wed, 19 Feb 2014 20:51:59 -0800 (PST) Received: from mail-pd0-x231.google.com (mail-pd0-x231.google.com [2607:f8b0:400e:c02::231]) by mx.google.com with ESMTPS id po10si1889820pab.15.2014.02.19.20.51.57 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 19 Feb 2014 20:51:57 -0800 (PST) Received: by mail-pd0-f177.google.com with SMTP id x10so1311451pdj.36 for ; Wed, 19 Feb 2014 20:51:57 -0800 (PST) Date: Wed, 19 Feb 2014 20:51:55 -0800 (PST) From: David Rientjes Subject: Re: [PATCH 4/4] hugetlb: add hugepages_node= command-line option In-Reply-To: <20140219234232.07dc1eab@redhat.com> Message-ID: References: <1392339728-13487-1-git-send-email-lcapitulino@redhat.com> <1392339728-13487-5-git-send-email-lcapitulino@redhat.com> <20140214225810.57e854cb@redhat.com> <20140217085622.39b39cac@redhat.com> <20140218123013.GA20609@amt.cnet> <20140220022254.GA25898@amt.cnet> <20140219234232.07dc1eab@redhat.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Luiz Capitulino Cc: Marcelo Tosatti , Andrew Morton , Mel Gorman , Andrea Arcangeli , Andi Kleen , Rik van Riel , davidlohr@hp.com, isimatu.yasuaki@jp.fujitsu.com, yinghai@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org On Wed, 19 Feb 2014, Luiz Capitulino wrote: > > Yes, my concrete objection is that the command line interface is > > unnecessary if you can dynamically allocate and free 1GB pages at runtime > > unless memory will be so fragmented that it cannot be done when userspace > > is brought up. That is not your use case, thus this support is not > > Yes it is. The early boot is the most reliable moment to allocate huge pages > and we want to take advantage from that. > Your use case is 8GB of hugepages on a 32GB machine. It shouldn't be necessary to do that at boot. Thanks. -- 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