From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f174.google.com (mail-pd0-f174.google.com [209.85.192.174]) by kanga.kvack.org (Postfix) with ESMTP id BA6556B0038 for ; Sun, 12 Apr 2015 03:20:33 -0400 (EDT) Received: by pdea3 with SMTP id a3so71222740pde.3 for ; Sun, 12 Apr 2015 00:20:33 -0700 (PDT) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id pc5si10238304pac.85.2015.04.12.00.20.32 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 12 Apr 2015 00:20:33 -0700 (PDT) Date: Sun, 12 Apr 2015 00:25:05 -0700 From: Andrew Morton Subject: Re: [PATCH v2] mm: show free pages per each migrate type Message-Id: <20150412002505.98eae258.akpm@linux-foundation.org> In-Reply-To: References: <20150409134701.5903cb5217f5742bbacc73da@linux-foundation.org> <20150409212441.a64c3fe0.akpm@linux-foundation.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: ZhangNeil Cc: "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" On Sun, 12 Apr 2015 07:17:11 +0000 ZhangNeil wrote: > I calculate the__nr_free[][] again, it is an 6x11 array of 8 in the worst case, that is 528B, is it acceptable? I don't think so. This is hardly a critical change and that's a high cost. -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751330AbbDLHUe (ORCPT ); Sun, 12 Apr 2015 03:20:34 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:35225 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751125AbbDLHUd (ORCPT ); Sun, 12 Apr 2015 03:20:33 -0400 Date: Sun, 12 Apr 2015 00:25:05 -0700 From: Andrew Morton To: ZhangNeil Cc: "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v2] mm: show free pages per each migrate type Message-Id: <20150412002505.98eae258.akpm@linux-foundation.org> In-Reply-To: References: <20150409134701.5903cb5217f5742bbacc73da@linux-foundation.org> <20150409212441.a64c3fe0.akpm@linux-foundation.org> X-Mailer: Sylpheed 2.7.1 (GTK+ 2.18.9; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 12 Apr 2015 07:17:11 +0000 ZhangNeil wrote: > I calculate the__nr_free[][] again, it is an 6x11 array of 8 in the worst case, that is 528B, is it acceptable? I don't think so. This is hardly a critical change and that's a high cost.