From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f200.google.com (mail-pf0-f200.google.com [209.85.192.200]) by kanga.kvack.org (Postfix) with ESMTP id 249506B05F7 for ; Thu, 10 May 2018 07:56:21 -0400 (EDT) Received: by mail-pf0-f200.google.com with SMTP id x21-v6so1035286pfn.23 for ; Thu, 10 May 2018 04:56:21 -0700 (PDT) Received: from aserp2130.oracle.com (aserp2130.oracle.com. [141.146.126.79]) by mx.google.com with ESMTPS id k75-v6si629218pfk.369.2018.05.10.04.56.19 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 May 2018 04:56:20 -0700 (PDT) Received: from pps.filterd (aserp2130.oracle.com [127.0.0.1]) by aserp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w4ABtxld066173 for ; Thu, 10 May 2018 11:56:19 GMT Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by aserp2130.oracle.com with ESMTP id 2hv6m4k6yp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 May 2018 11:56:19 +0000 Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w4ABuIXV022601 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 10 May 2018 11:56:18 GMT Received: from abhmp0011.oracle.com (abhmp0011.oracle.com [141.146.116.17]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w4ABuIOA021748 for ; Thu, 10 May 2018 11:56:18 GMT Received: by mail-oi0-f46.google.com with SMTP id c203-v6so1497125oib.7 for ; Thu, 10 May 2018 04:56:17 -0700 (PDT) MIME-Version: 1.0 References: <20180509191713.23794-1-pasha.tatashin@oracle.com> <20180509210920.GZ32366@dhcp22.suse.cz> In-Reply-To: <20180509210920.GZ32366@dhcp22.suse.cz> From: Pavel Tatashin Date: Thu, 10 May 2018 11:55:42 +0000 Message-ID: Subject: Re: [PATCH] mm: allow deferred page init for vmemmap only Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: mhocko@kernel.org Cc: Steven Sistare , Daniel Jordan , Andrew Morton , LKML , tglx@linutronix.de, Linux Memory Management List , mgorman@techsingularity.net, mingo@kernel.org, peterz@infradead.org, Steven Rostedt , Fengguang Wu , Dennis Zhou > This doesn't really explain why CONFIG_SPARSMEM or DISCONTIG has the > problem. Hi Michal, Thank you for reviewing this patch. I sent out a version two of this patch, with expanded explanation of the problem. Thank you, Pavel