Received: by 2002:ac0:a5a7:0:0:0:0:0 with SMTP id m36-v6csp1201310imm; Wed, 11 Jul 2018 20:00:56 -0700 (PDT) X-Google-Smtp-Source: AAOMgpfXbTGSWQoc9ioPZe0h4Wv3CPj63BpTdwZVAHimCmmthfvLQrJ6zjIN2jinPavVsUTL37Y8 X-Received: by 2002:a17:902:8c88:: with SMTP id t8-v6mr434633plo.117.1531364456767; Wed, 11 Jul 2018 20:00:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1531364456; cv=none; d=google.com; s=arc-20160816; b=KYhYGE40hTXJGRn+TnXJcVWFMgYITcCWEJOQXY4DvhUL8gCRYI6dHI4VYq/ZSYfy7C QC+94J5Zt6v+muDk0TeHs4nzpG45quLElOKzKNegCkx3yq6KYY0weRUOHNJuzAgpl7Sj L+1JkRJpq+3Sb5u5ViO4bWPxDx5rJo0LuisDqwUK5UPUJAafC4tKVLQ1GaqEy3bBjmUA z5+mmYlDt5fRxGmtHfcozR5/uLU3H5or4eam4UEiBrnwLoCpFPh/ofTGrbqG0mZuGqGu SkVkleqsz/HSpyMXuU/AFbKP9ZKQ7rkrFE2bU94WLdalNWzBwfnOSR06KSEmRs0oDS80 62sA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date :arc-authentication-results; bh=z0Qq0rxLx6nWxzRr3L3J09bDxAFFKVnYccrTrO5CTxc=; b=PHUF/vzteW1Dv+kIJPs1jx7UjEsadYiWwGlz3QZ/3aJm+s/kJ+8JadlnJdPK4H30es Hr+MMgvn3oqrRNS2YmKMp3oj1jeP0lV01ZQYpd5cH90GNXv4+58Le5v2IR5ocITkwGYy XUkAf5K7JhW2Bn7mhF0KZUc+KFImLY6Si/PQNwd8nB91Y9q21YzRWoLkqmrKlvdLJeS+ F+pClJ43bhkw3z1rly9nit1idLNwYIJz4e0wNCo4yTeZC9tfaq/QAyIWyLbBRETSKZU0 1FKu6YSjPhfwB5Bb6IPluSR22jbskGXTbIGA5cmt3EA6UjH8uC3iP/jVo0u4xDD2e57m BSKw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id m3-v6si19271108pgq.319.2018.07.11.20.00.41; Wed, 11 Jul 2018 20:00:56 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390430AbeGKVlZ (ORCPT + 99 others); Wed, 11 Jul 2018 17:41:25 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:58042 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387586AbeGKVlZ (ORCPT ); Wed, 11 Jul 2018 17:41:25 -0400 Received: from akpm3.svl.corp.google.com (unknown [104.133.9.92]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id B4FC6EB7; Wed, 11 Jul 2018 21:35:06 +0000 (UTC) Date: Wed, 11 Jul 2018 14:35:05 -0700 From: Andrew Morton To: Aaron Lu Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Huang Ying , Dave Hansen , Kemi Wang , Tim Chen , Andi Kleen , Michal Hocko , Vlastimil Babka , Mel Gorman Subject: Re: [RFC PATCH] mm, page_alloc: double zone's batchsize Message-Id: <20180711143505.5ccb378fb67dc6ba8fa202a3@linux-foundation.org> In-Reply-To: <20180711055855.29072-1-aaron.lu@intel.com> References: <20180711055855.29072-1-aaron.lu@intel.com> X-Mailer: Sylpheed 3.6.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 11 Jul 2018 13:58:55 +0800 Aaron Lu wrote: > [550 lines of changelog] OK, I'm convinced ;) That was a lot of work - thanks for being exhaustive. Of course, not all the world is x86 but I think we can be confident that other architectures are unlikely to be harmed by the change, at least.