Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934780AbbKSXeN (ORCPT ); Thu, 19 Nov 2015 18:34:13 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:52575 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934629AbbKSXeM (ORCPT ); Thu, 19 Nov 2015 18:34:12 -0500 Date: Thu, 19 Nov 2015 15:34:11 -0800 From: Andrew Morton To: Joonsoo Kim Cc: Michal Nazarewicz , Minchan Kim , David Rientjes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim , Steven Rostedt Subject: Re: [PATCH 2/3] mm/page_isolation: add new tracepoint, test_pages_isolated Message-Id: <20151119153411.6215be690f75f70b3fa84766@linux-foundation.org> In-Reply-To: <1447381428-12445-2-git-send-email-iamjoonsoo.kim@lge.com> References: <1447381428-12445-1-git-send-email-iamjoonsoo.kim@lge.com> <1447381428-12445-2-git-send-email-iamjoonsoo.kim@lge.com> X-Mailer: Sylpheed 3.4.1 (GTK+ 2.24.23; 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 List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 891 Lines: 21 On Fri, 13 Nov 2015 11:23:47 +0900 Joonsoo Kim wrote: > cma allocation should be guranteeded to succeed, but, sometimes, > it could be failed in current implementation. To track down > the problem, we need to know which page is problematic and > this new tracepoint will report it. akpm3:/usr/src/25> size mm/page_isolation.o text data bss dec hex filename 2972 112 1096 4180 1054 mm/page_isolation.o-before 4608 570 1840 7018 1b6a mm/page_isolation.o-after This seems an excessive amount of bloat for one little tracepoint. Is this expected and normal (and acceptable)? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/