From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pb0-f44.google.com (mail-pb0-f44.google.com [209.85.160.44]) by kanga.kvack.org (Postfix) with ESMTP id 994536B0031 for ; Mon, 10 Feb 2014 18:13:57 -0500 (EST) Received: by mail-pb0-f44.google.com with SMTP id rq2so6929188pbb.3 for ; Mon, 10 Feb 2014 15:13:57 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTP id fl7si16856914pad.229.2014.02.10.15.13.56 for ; Mon, 10 Feb 2014 15:13:56 -0800 (PST) Date: Mon, 10 Feb 2014 15:13:54 -0800 From: Andrew Morton Subject: Re: [PATCH 0/4] hugetlb: add hugepagesnid= command-line option Message-Id: <20140210151354.68fe414f81335d4ce0e4c550@linux-foundation.org> In-Reply-To: <1392053268-29239-1-git-send-email-lcapitulino@redhat.com> References: <1392053268-29239-1-git-send-email-lcapitulino@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Luiz Capitulino Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, mtosatti@redhat.com, mgorman@suse.de, aarcange@redhat.com, andi@firstfloor.org, riel@redhat.com On Mon, 10 Feb 2014 12:27:44 -0500 Luiz Capitulino wrote: > HugeTLB command-line option hugepages= allows the user to specify how many > huge pages should be allocated at boot. On NUMA systems, this argument > automatically distributes huge pages allocation among nodes, which can > be undesirable. Grumble. "can be undesirable" is the entire reason for the entire patchset. We need far, far more detail than can be conveyed in three words, please! > The hugepagesnid= option introduced by this commit allows the user > to specify which NUMA nodes should be used to allocate boot-time HugeTLB > pages. For example, hugepagesnid=0,2,2G will allocate two 2G huge pages > from node 0 only. More details on patch 3/4 and patch 4/4. > -- 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