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 43B04C433FE for ; Thu, 24 Nov 2022 09:21:09 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D6F186B0074; Thu, 24 Nov 2022 04:21:08 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D1E626B0075; Thu, 24 Nov 2022 04:21:08 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C0CF16B0078; Thu, 24 Nov 2022 04:21:08 -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 B63A56B0074 for ; Thu, 24 Nov 2022 04:21:08 -0500 (EST) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 8C87B1C6BB3 for ; Thu, 24 Nov 2022 09:21:08 +0000 (UTC) X-FDA: 80167791816.24.C18133D Received: from gentwo.de (gentwo.de [161.97.139.209]) by imf22.hostedemail.com (Postfix) with ESMTP id 8BCA3C0008 for ; Thu, 24 Nov 2022 09:21:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gentwo.de; s=default; t=1669281665; bh=LYzb4SqFx0WhZ1vRL+bXoXsF0BRQn8llM6x37bry8nM=; h=Date:From:To:cc:Subject:In-Reply-To:References:From; b=cp4mwkQulfGXBYU6K3n9nUTp69ODHRPLVKxXn/eRTtc5LbvaOVx4G5ydKNHmbe4ia KGiztbpS56FH5jpPwvtrPABSTdUxDlqqyzropimq6DMewVLivMHL3JOy0BgLyGj+am 6d0OfiQWISFuvxSuV0N50HUqEGP1pzKPvPV+EYJcLC94/FJRdwVE+gCBJRIS6BThpa p93D7GsEkdh+qubt0OXekVnG+O43ngg7VqnB+wDCuwOVaeTjBTXDh6o2kC+bAj9m9K 7v1bw3O68WH319loxKBNnO1BQQso/UR//thUs9HV+0pEJdv0osoQBiri+wSPkeJWz7 gPiawhTImP1hQ== Received: by gentwo.de (Postfix, from userid 1001) id 4BC2DB002AF; Thu, 24 Nov 2022 10:21:05 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by gentwo.de (Postfix) with ESMTP id 472DDB00068; Thu, 24 Nov 2022 10:21:05 +0100 (CET) Date: Thu, 24 Nov 2022 10:21:05 +0100 (CET) From: Christoph Lameter To: Vlastimil Babka cc: Roman Gushchin , David Rientjes , Joonsoo Kim , Pekka Enberg , Hyeonggon Yoo <42.hyeyoo@gmail.com>, Andrew Morton , Linus Torvalds , Matthew Wilcox , patches@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 07/12] mm, slab: ignore SLAB_RECLAIM_ACCOUNT with CONFIG_SLUB_TINY In-Reply-To: <23028c8a-7e53-6993-e076-6df8a6939313@suse.cz> Message-ID: <79c1a3a1-f36e-3585-f470-6779f97e2dbd@gentwo.de> References: <20221121171202.22080-1-vbabka@suse.cz> <20221121171202.22080-8-vbabka@suse.cz> <23028c8a-7e53-6993-e076-6df8a6939313@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1669281668; 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=LYzb4SqFx0WhZ1vRL+bXoXsF0BRQn8llM6x37bry8nM=; b=CwIXnX9LEY+G/qOENlCW1cI9AQQouU+TV1QPsCvmVnofIdGY6o/9B49kDruvxUbvi99iwJ SyjAkdqi3GM3KQodv0aljBmQab4N5YTnFPqXTcPejHu0GcgfxTiSdsgo57MWO0sZIxqvm/ tqVW0B3kA0r6DK4CcfxofMSud+jkQP4= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=none ("invalid DKIM record") header.d=gentwo.de header.s=default header.b=cp4mwkQu; spf=pass (imf22.hostedemail.com: domain of cl@gentwo.de designates 161.97.139.209 as permitted sender) smtp.mailfrom=cl@gentwo.de; dmarc=pass (policy=none) header.from=gentwo.de ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1669281668; a=rsa-sha256; cv=none; b=qQeEsR5FW9MCvXZRfO1XNBR9NL8A9QFDX770nqb359HhAayg/Neanw92jrGK4SFbGILSpe ezk3hdDZamMIl3AwbcYpXFRrhYTtnM0ImOta2rb5nh57orc6ne3gRJEOXX23dEY4AwiSYp RbdbJWNXiphugSLN4Wj6nOuowlx2Beg= X-Rspamd-Queue-Id: 8BCA3C0008 Authentication-Results: imf22.hostedemail.com; dkim=none ("invalid DKIM record") header.d=gentwo.de header.s=default header.b=cp4mwkQu; spf=pass (imf22.hostedemail.com: domain of cl@gentwo.de designates 161.97.139.209 as permitted sender) smtp.mailfrom=cl@gentwo.de; dmarc=pass (policy=none) header.from=gentwo.de X-Rspam-User: X-Rspamd-Server: rspam11 X-Stat-Signature: z6aao6jbgc8xkkuxzt5ub5du14afpwy5 X-HE-Tag: 1669281667-510298 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 Thu, 24 Nov 2022, Vlastimil Babka wrote: > SLAB_RECLAIM_ACCOUNT is kinda misnomer these days, as the only thing it does > is to add __GFP_RECLAIMABLE to cache's gfp flags for the page allocator's > mobility grouping. I guess the "ACCOUNT" part comes from being counted > towards SReclaimable (vs SUnreclaim) in /proc/meminfo. Well these Sreclaimable etc counters visible in /proc/meminfo are used in the reclaim logic and are quite important there.