From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E229C433E0 for ; Thu, 18 Mar 2021 12:36:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 195F364E33 for ; Thu, 18 Mar 2021 12:36:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230493AbhCRMgJ (ORCPT ); Thu, 18 Mar 2021 08:36:09 -0400 Received: from mx2.suse.de ([195.135.220.15]:50102 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229508AbhCRMfj (ORCPT ); Thu, 18 Mar 2021 08:35:39 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 3D68DAC1E; Thu, 18 Mar 2021 12:35:38 +0000 (UTC) Subject: Re: [PATCH 2/3] mm/slub: Add Support for free path information of an object. To: Maninder Singh , paulmck@kernel.org, linux@armlinux.org.uk, cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, akpm@linux-foundation.org, 0x7f454c46@gmail.com, viro@zeniv.linux.org.uk Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, a.sahrawat@samsung.com, Vaneet Narang References: <1615891032-29160-1-git-send-email-maninder1.s@samsung.com> <1615891032-29160-2-git-send-email-maninder1.s@samsung.com> From: Vlastimil Babka Message-ID: Date: Thu, 18 Mar 2021 13:35:37 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.0 MIME-Version: 1.0 In-Reply-To: <1615891032-29160-2-git-send-email-maninder1.s@samsung.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/16/21 11:37 AM, Maninder Singh wrote: > Adding support for inforamtion of free path along with allocation > path of an object: > > slab kmalloc-64 start c8ab0140 data offset 64 pointer offset 0 size 64 allocated at meminfo_proc_show+0x40/0x4fc > [ 20.192078] meminfo_proc_show+0x40/0x4fc > [ 20.192263] seq_read_iter+0x18c/0x4c4 > [ 20.192430] proc_reg_read_iter+0x84/0xac > [ 20.192617] generic_file_splice_read+0xe8/0x17c > [ 20.192816] splice_direct_to_actor+0xb8/0x290 > [ 20.193008] do_splice_direct+0xa0/0xe0 > [ 20.193185] do_sendfile+0x2d0/0x438 > [ 20.193345] sys_sendfile64+0x12c/0x140 > [ 20.193523] ret_fast_syscall+0x0/0x58 > [ 20.193695] 0xbeeacde4 > [ 20.193822] Free path: > [ 20.193935] meminfo_proc_show+0x5c/0x4fc > [ 20.194115] seq_read_iter+0x18c/0x4c4 > [ 20.194285] proc_reg_read_iter+0x84/0xac > [ 20.194475] generic_file_splice_read+0xe8/0x17c > [ 20.194685] splice_direct_to_actor+0xb8/0x290 > [ 20.194870] do_splice_direct+0xa0/0xe0 > [ 20.195014] do_sendfile+0x2d0/0x438 > [ 20.195174] sys_sendfile64+0x12c/0x140 > [ 20.195336] ret_fast_syscall+0x0/0x58 > [ 20.195491] 0xbeeacde4 > > Co-developed-by: Vaneet Narang > Signed-off-by: Vaneet Narang > Signed-off-by: Maninder Singh Acked-by: Vlastimil Babka