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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42E8AC433EF for ; Thu, 4 Nov 2021 01:37:21 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id CCDB9611C8 for ; Thu, 4 Nov 2021 01:37:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org CCDB9611C8 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=rere.qmqm.pl Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id 1A0A46B006C; Wed, 3 Nov 2021 21:37:20 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 1788D6B0072; Wed, 3 Nov 2021 21:37:20 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id F3336940007; Wed, 3 Nov 2021 21:37:19 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0222.hostedemail.com [216.40.44.222]) by kanga.kvack.org (Postfix) with ESMTP id E1E1C6B006C for ; Wed, 3 Nov 2021 21:37:19 -0400 (EDT) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 979635D72C for ; Thu, 4 Nov 2021 01:37:19 +0000 (UTC) X-FDA: 78769535040.01.44AE001 Received: from rere.qmqm.pl (rere.qmqm.pl [91.227.64.183]) by imf30.hostedemail.com (Postfix) with ESMTP id 1B3B2E001989 for ; Thu, 4 Nov 2021 01:37:02 +0000 (UTC) Received: from remote.user (localhost [127.0.0.1]) by rere.qmqm.pl (Postfix) with ESMTPSA id 4Hl5pw63sZz8K; Thu, 4 Nov 2021 02:37:12 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rere.qmqm.pl; s=1; t=1635989836; bh=h/WnKEaJ3r2sYaIw5151DIcICUXY5nyCeVGfTKIhiyc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=aAyK08Skdngle/aZhEk4p1aBOceovedKWY0KoFevgu2z0x9XhaoO5qceg/r0sK28t 4Q+9ZFAdKRxwGGr/kgEGBtwejq3ifmrb448bfl3djxaXNd88d7JjOmHR22MgFzq7Pw mLdKR/sdEmw+2eLgGqcbf8CeStJTfTmNqfPDbhvLVrvoolyB4MuyTH1yRGFefAHmNc vT63DiKND7k/NuRfcVItyV9IvKgyyTcFuqRQm12dfzVUGd7df0bNu6Od/QKsMuw1On XE4JHDnimlcNX1KjPW3lZemUgYTsmCXM4yypJ9bFWILvqNTxNoygYyvoezsQ05cMoS 896bcst1V7bxA== X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.3 at mail Date: Thu, 4 Nov 2021 02:37:11 +0100 From: =?iso-8859-2?Q?Micha=B3_Miros=B3aw?= To: Yafang Shao Cc: akpm@linux-foundation.org, keescook@chromium.org, rostedt@goodmis.org, mathieu.desnoyers@efficios.com, arnaldo.melo@gmail.com, pmladek@suse.com, peterz@infradead.org, viro@zeniv.linux.org.uk, valentin.schneider@arm.com, qiang.zhang@windriver.com, robdclark@chromium.org, christian@brauner.io, dietmar.eggemann@arm.com, mingo@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, davem@davemloft.net, kuba@kernel.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com, kpsingh@kernel.org, dennis.dalessandro@cornelisnetworks.com, mike.marciniszyn@cornelisnetworks.com, dledford@redhat.com, jgg@ziepe.ca, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, oliver.sang@intel.com, lkp@intel.com Subject: Re: [PATCH v7 00/11] extend task comm from 16 to 24 Message-ID: References: <20211101060419.4682-1-laoar.shao@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline In-Reply-To: <20211101060419.4682-1-laoar.shao@gmail.com> X-Stat-Signature: i53subrrcukjnrxm6werhusxzzb5w6et X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 1B3B2E001989 Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=rere.qmqm.pl header.s=1 header.b=aAyK08Sk; dmarc=pass (policy=reject) header.from=rere.qmqm.pl; spf=pass (imf30.hostedemail.com: domain of mirq-linux@rere.qmqm.pl designates 91.227.64.183 as permitted sender) smtp.mailfrom=mirq-linux@rere.qmqm.pl X-HE-Tag: 1635989822-995760 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, Nov 01, 2021 at 06:04:08AM +0000, Yafang Shao wrote: > There're many truncated kthreads in the kernel, which may make trouble > for the user, for example, the user can't get detailed device > information from the task comm. >=20 > This patchset tries to improve this problem fundamentally by extending > the task comm size from 16 to 24, which is a very simple way.=20 [...] Hi, I've tried something like this a few years back. My attempt got mostly lost in the mailing lists, but I'm still carrying the patches in my tree [1]. My target was userspace thread names, and it turned out more involved than I had time for. [1] https://rere.qmqm.pl/git/?p=3Dlinux;a=3Dcommit;h=3D2c3814268caf2b1fee= 6d1a0b61fd1730ce135d4a and its parents Best Regards Micha=B3=A0Miros=B3aw