From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-f72.google.com (mail-ed1-f72.google.com [209.85.208.72]) by kanga.kvack.org (Postfix) with ESMTP id CB8456B0006 for ; Sun, 21 Oct 2018 21:24:09 -0400 (EDT) Received: by mail-ed1-f72.google.com with SMTP id v18-v6so1943418edq.23 for ; Sun, 21 Oct 2018 18:24:09 -0700 (PDT) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id b28-v6sor21893174edc.13.2018.10.21.18.24.08 for (Google Transport Security); Sun, 21 Oct 2018 18:24:08 -0700 (PDT) Date: Mon, 22 Oct 2018 01:24:06 +0000 From: Wei Yang Subject: Re: [RFC] put page to pcp->lists[] tail if it is not on the same node Message-ID: <20181022012406.7qenlvgabt2s34as@master> Reply-To: Wei Yang References: <20181019043303.s5axhjfb2v2lzsr3@master> <20181019083818.GQ5819@techsingularity.net> <20181020163318.72oqszgdtqfafycu@master> <20181021121251.GA8041@techsingularity.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181021121251.GA8041@techsingularity.net> Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Wei Yang , willy@infradead.org, mhocko@suse.com, linux-mm@kvack.org, akpm@linux-foundation.org On Sun, Oct 21, 2018 at 01:12:51PM +0100, Mel Gorman wrote: >On Sat, Oct 20, 2018 at 04:33:18PM +0000, Wei Yang wrote: >> >Pages from remote nodes are not placed on local lists. Even in the slab >> >context, such objects are placed on alien caches which have special >> >handling. >> > >> >> Hmm... I am not sure get your point correctly. >> > >The point is that one list should not contain a mix of pages belonging to >different nodes or zones or it'll result in unexpected behaviour. If you >are just shuffling the ordering of pages in the list, it needs justification >as to why that makes sense. > Yep, you are right :-) >-- >Mel Gorman >SUSE Labs -- Wei Yang Help you, Help me