From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f45.google.com (mail-wm0-f45.google.com [74.125.82.45]) by kanga.kvack.org (Postfix) with ESMTP id 2E3586B0253 for ; Thu, 19 Nov 2015 18:34:17 -0500 (EST) Received: by wmvv187 with SMTP id v187so49258209wmv.1 for ; Thu, 19 Nov 2015 15:34:16 -0800 (PST) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org. [140.211.169.12]) by mx.google.com with ESMTPS id k62si239874wmd.31.2015.11.19.15.34.13 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 Nov 2015 15:34:14 -0800 (PST) Date: Thu, 19 Nov 2015 15:34:11 -0800 From: Andrew Morton 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> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Joonsoo Kim Cc: Michal Nazarewicz , Minchan Kim , David Rientjes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Joonsoo Kim , Steven Rostedt 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, 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