From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f174.google.com (mail-io0-f174.google.com [209.85.223.174]) by kanga.kvack.org (Postfix) with ESMTP id 3892E6B0253 for ; Fri, 20 Nov 2015 01:21:45 -0500 (EST) Received: by ioir85 with SMTP id r85so114226103ioi.1 for ; Thu, 19 Nov 2015 22:21:45 -0800 (PST) Received: from lgeamrelo11.lge.com (LGEAMRELO11.lge.com. [156.147.23.51]) by mx.google.com with ESMTPS id w8si1730331igb.12.2015.11.19.22.21.43 for (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 19 Nov 2015 22:21:44 -0800 (PST) Date: Fri, 20 Nov 2015 15:21:52 +0900 From: Joonsoo Kim Subject: Re: [PATCH 2/3] mm/page_isolation: add new tracepoint, test_pages_isolated Message-ID: <20151120062151.GA13061@js1304-P5Q-DELUXE> References: <1447381428-12445-1-git-send-email-iamjoonsoo.kim@lge.com> <1447381428-12445-2-git-send-email-iamjoonsoo.kim@lge.com> <20151119153411.6215be690f75f70b3fa84766@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151119153411.6215be690f75f70b3fa84766@linux-foundation.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Michal Nazarewicz , Minchan Kim , David Rientjes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Steven Rostedt On Thu, Nov 19, 2015 at 03:34:11PM -0800, Andrew Morton wrote: > 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)? Hello, I checked bloat on other tracepoints and found that it's normal. It takes 1KB more per tracepoint. Thanks. -- 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