From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f199.google.com (mail-io0-f199.google.com [209.85.223.199]) by kanga.kvack.org (Postfix) with ESMTP id EC01A6B027C for ; Mon, 12 Feb 2018 13:37:37 -0500 (EST) Received: by mail-io0-f199.google.com with SMTP id 199so15032858iou.0 for ; Mon, 12 Feb 2018 10:37:37 -0800 (PST) Received: from resqmta-ch2-09v.sys.comcast.net (resqmta-ch2-09v.sys.comcast.net. [2001:558:fe21:29:69:252:207:41]) by mx.google.com with ESMTPS id y21si1382898ioi.277.2018.02.12.10.37.36 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 12 Feb 2018 10:37:36 -0800 (PST) Date: Mon, 12 Feb 2018 12:37:33 -0600 (CST) From: Christopher Lameter Subject: Re: [RFC] Protect larger order pages from breaking up In-Reply-To: <20180212173630.GB9396@bombadil.infradead.org> Message-ID: References: <20180212173630.GB9396@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: owner-linux-mm@kvack.org List-ID: To: Matthew Wilcox Cc: Mel Gorman , linux-mm@kvack.org, akpm@linux-foundation.org, Leon Romanovsky , linux-rdma@vger.kernel.org, Thomas Schoebel-Theuer On Mon, 12 Feb 2018, Matthew Wilcox wrote: > > One can then also f.e. operate the slub allocator with > > 64k pages. Specify "slub_max_order=3 slub_min_order=3" on > > the kernel command line and all slab allocator allocations > > will occur in 16K page sizes. > > This example also reads weird ;-) Right, this resulted in 32K page reservations and uses. -- 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