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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C28B7C43334 for ; Fri, 24 Jun 2022 06:46:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3D1498E01EB; Fri, 24 Jun 2022 02:46:19 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 380188E01E7; Fri, 24 Jun 2022 02:46:19 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 248368E01EB; Fri, 24 Jun 2022 02:46:19 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 12E488E01E7 for ; Fri, 24 Jun 2022 02:46:19 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id CF9E9615B7 for ; Fri, 24 Jun 2022 06:46:18 +0000 (UTC) X-FDA: 79612195236.16.6FA78F6 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by imf27.hostedemail.com (Postfix) with ESMTP id 627A34001E for ; Fri, 24 Jun 2022 06:46:18 +0000 (UTC) Date: Fri, 24 Jun 2022 08:46:14 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1656053176; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=EvnQFrUsklfAcC7OiiVMgJASpGCzbvqKvbsKH87pemU=; b=m6IZfh/kS0HrgBNODulMgLLRvzlJf3QSvBpX8o2mXZH64oObyWUkA0p1PWWWGiwxkViGEC s0IIj7QdOFCX3lo42ZmsPkLaljh1oA5h2gzjgU2kDDK4QeOezh6xe4M8bgXQJ7yYPrRGc6 vjoSf7fLXDweG3kBi9QH8o/Yw40Ag+B5GsU26i61Q941mdYYbfLyei6jBAtKkmtDPMos70 fQ0zF0JdrewR0uxLsyFMhGT44kxjnNZ3l2uiBwAPRN1l+vujF90LXE2BRHbEEn4DarBBlG 2eznu16HSFahY3PfJ2NkgSZCQ1pu9+8GS00XygT6vOkWnkluIZ7POGS+dDP9aA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1656053176; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=EvnQFrUsklfAcC7OiiVMgJASpGCzbvqKvbsKH87pemU=; b=cgeY4My9rSgoZY5oN6hharOS+fK2eL5pqVDeQX48F4NjiJ1JpS/REpNCPnGI6ZJsBWX9nk FtOAtboAXj9wqtDA== From: Sebastian Andrzej Siewior To: Baoquan He Cc: Waiman Long , Zhipeng Shi , linux-mm@kvack.org, linux-rt-users@vger.kernel.org, tglx@linutronix.de, shengjian.xu@horizon.ai, schspa@gmail.com, peterz@infradead.org Subject: Re: [Question] vmalloc latency in RT-Linux Message-ID: References: <20220621121547.GB37196@ubuntu20> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1656053178; a=rsa-sha256; cv=none; b=oI1rn8WpgMfOG8L77pjwKayzPNGNbd/7NlufM9JHZh/ldee1GKNvYF2u9gv7MuQCkhwXxK a7DmmT9jEbCYv/EWHV39buH7iCFDzJ8eYlclsMoRz+pBuxsaofsWIXMcLY4UXYi5x79mM0 cNRZA4frmqHNGSUhxie6uy/piNQ5Xl8= ARC-Authentication-Results: i=1; imf27.hostedemail.com; dkim=pass header.d=linutronix.de header.s=2020 header.b="m6IZfh/k"; dkim=pass header.d=linutronix.de header.s=2020e header.b=cgeY4My9; dmarc=pass (policy=none) header.from=linutronix.de; spf=pass (imf27.hostedemail.com: domain of bigeasy@linutronix.de designates 193.142.43.55 as permitted sender) smtp.mailfrom=bigeasy@linutronix.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1656053178; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=EvnQFrUsklfAcC7OiiVMgJASpGCzbvqKvbsKH87pemU=; b=BH9xYVEQcdTfjizYbhbG2GjmLDHZueox9RZwcuLvY5U3gLKZSJAe/gmEahhCUh/sy4QUMI w/ws+sFsVwVetYyBuxhFYwI4pKgk/j528eojvUrOjFxOZdP/rfyKjpIsy4N/28xp5eDg+2 Ka2ufvUiq+Pd1bdT/StsJ+rlvp/0Wms= X-Stat-Signature: ngdbd74icbp4sratr1u11o57gaighhzf X-Rspamd-Queue-Id: 627A34001E Authentication-Results: imf27.hostedemail.com; dkim=pass header.d=linutronix.de header.s=2020 header.b="m6IZfh/k"; dkim=pass header.d=linutronix.de header.s=2020e header.b=cgeY4My9; dmarc=pass (policy=none) header.from=linutronix.de; spf=pass (imf27.hostedemail.com: domain of bigeasy@linutronix.de designates 193.142.43.55 as permitted sender) smtp.mailfrom=bigeasy@linutronix.de X-Rspamd-Server: rspam10 X-Rspam-User: X-HE-Tag: 1656053178-561424 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 2022-06-24 10:39:43 [+0800], Baoquan He wrote: > Then this is a good chance to reconsider it, maybe with a test from Zhipeng. I reconsidered and it was dropped purpose, see https://lore.kernel.org/lkml/YT80AB8%2FG59QBSVq@hirez.programming.kicks-ass.net/ Sebastian