From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f69.google.com (mail-pg0-f69.google.com [74.125.83.69]) by kanga.kvack.org (Postfix) with ESMTP id 63D926B0010 for ; Fri, 4 May 2018 16:52:52 -0400 (EDT) Received: by mail-pg0-f69.google.com with SMTP id u10-v6so4739185pgp.8 for ; Fri, 04 May 2018 13:52:52 -0700 (PDT) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id 64-v6si16042625ply.528.2018.05.04.13.52.51 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 04 May 2018 13:52:51 -0700 (PDT) Date: Fri, 4 May 2018 13:52:49 -0700 From: Andrew Morton Subject: Re: [PATCH v5 00/17] Rearrange struct page Message-Id: <20180504135249.676650d27bb3959838119567@linux-foundation.org> In-Reply-To: <20180504183318.14415-1-willy@infradead.org> References: <20180504183318.14415-1-willy@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Matthew Wilcox Cc: linux-mm@kvack.org, Matthew Wilcox , "Kirill A . Shutemov" , Christoph Lameter , Lai Jiangshan , Pekka Enberg , Vlastimil Babka , Dave Hansen , =?ISO-8859-1?Q?J=E9r=F4me?= Glisse On Fri, 4 May 2018 11:33:01 -0700 Matthew Wilcox wrote: > As presented at LSFMM, this patch-set rearranges struct page to give > more contiguous usable space to users who have allocated a struct page > for their own purposes. Are there such users? Why is this considered useful? etc.