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 D3A19C48BF6 for ; Thu, 22 Feb 2024 02:33:10 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 50F456B0071; Wed, 21 Feb 2024 21:33:10 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 4CA856B0074; Wed, 21 Feb 2024 21:33:10 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 387156B0075; Wed, 21 Feb 2024 21:33:10 -0500 (EST) 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 2970A6B0071 for ; Wed, 21 Feb 2024 21:33:10 -0500 (EST) Received: from smtpin17.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id E4BA6A0C91 for ; Thu, 22 Feb 2024 02:33:09 +0000 (UTC) X-FDA: 81817867698.17.4432F65 Received: from out-175.mta0.migadu.com (out-175.mta0.migadu.com [91.218.175.175]) by imf14.hostedemail.com (Postfix) with ESMTP id 14DFE100012 for ; Thu, 22 Feb 2024 02:33:07 +0000 (UTC) Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=WKipzrUZ; spf=pass (imf14.hostedemail.com: domain of chengming.zhou@linux.dev designates 91.218.175.175 as permitted sender) smtp.mailfrom=chengming.zhou@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1708569188; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=1Lcomib2YoDBqz/0vjugx8QRFaaeaSrpG+g/RGvt17I=; b=Z3UBbIEj4qwrErpgJRDC6OGEfrjBMuZmuB/50Mx0IUV4KpujOlG+m6SjhsQhRwHRE+VYYq M2Fl/dFo63rZQxwrmcJ49YeHf0jlQXcOAFZoiUluSrXgxrrJXIvVC4Anpqs3cGzLGRiTXj QWXCz4M4IW6yr4yY9A7NdVUFv34A2Kc= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1708569188; a=rsa-sha256; cv=none; b=fck48qm6zm9lQThz7+f4k61GR1SCyVkW3VR6fgW+k0XYZ7/o48PkAYbO83pxzAf2dhEnON eyULbbaN5TCEOY4bqcAMpLVGn/NT/Zy20lq0t+0VKZnUWfTCN4g84bfGY30E1wPuwXOKlW Prep3OGM9xGb1bnKlDMSt/fMgMeJT+U= ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=WKipzrUZ; spf=pass (imf14.hostedemail.com: domain of chengming.zhou@linux.dev designates 91.218.175.175 as permitted sender) smtp.mailfrom=chengming.zhou@linux.dev; dmarc=pass (policy=none) header.from=linux.dev Message-ID: <7e27b853-e10f-4034-bc81-2d5e5a03361a@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1708569185; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=1Lcomib2YoDBqz/0vjugx8QRFaaeaSrpG+g/RGvt17I=; b=WKipzrUZFjdAB46ynW/WwWX0SrwqTqCA61R8AL/wBrpDV52bHSiLu8gCOot00zd1JF5VQw fFhNYAKrgUQ+8slT4Xu3HI4Hu76eQZGdiV4MsqdNR8ptQc+1sX91j+1wYUnp6YgQF5NY/w HdwDvRiG2/iFH/36+oJaToz4iyU9054= Date: Thu, 22 Feb 2024 10:32:56 +0800 MIME-Version: 1.0 Subject: Re: [PATCH 1/3] mm, slab: deprecate SLAB_MEM_SPREAD flag Content-Language: en-US To: "Song, Xiongwei" , Roman Gushchin , Vlastimil Babka Cc: Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , Andrew Morton , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , Zheng Yejian , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "kasan-dev@googlegroups.com" , Steven Rostedt References: <20240220-slab-cleanup-flags-v1-0-e657e373944a@suse.cz> <20240220-slab-cleanup-flags-v1-1-e657e373944a@suse.cz> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Chengming Zhou In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 14DFE100012 X-Rspam-User: X-Stat-Signature: id97tit7ojqmrpbo87os15q5zr1sjeun X-Rspamd-Server: rspam03 X-HE-Tag: 1708569187-990619 X-HE-Meta: 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 ROg== 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: List-Subscribe: List-Unsubscribe: On 2024/2/22 09:10, Song, Xiongwei wrote: > Hi Vlastimil, > >> On Tue, Feb 20, 2024 at 05:58:25PM +0100, Vlastimil Babka wrote: >> 0;95;0c> The SLAB_MEM_SPREAD flag used to be implemented in SLAB, which was >>> removed. SLUB instead relies on the page allocator's NUMA policies. >>> Change the flag's value to 0 to free up the value it had, and mark it >>> for full removal once all users are gone. >>> >>> Reported-by: Steven Rostedt >>> Closes: https://lore.kernel.org/all/20240131172027.10f64405@gandalf.local.home/ >>> Signed-off-by: Vlastimil Babka >> >> Reviewed-by: Roman Gushchin >> >> Do you plan to follow up with a patch series removing all usages? > > If you are not available with it, I can do. Actually, I have done it yesterday. Sorry, I just forgot this task. :) I plan to send out it after this series merged in the slab branch. And I'm wondering is it better to put all diffs in one huge patch or split every diff to each patch? Thanks!