From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
	aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by smtp.lore.kernel.org (Postfix) with ESMTP id D6C23C4332F
	for <linux-kernel@archiver.kernel.org>; Thu, 24 Nov 2022 01:08:40 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S229705AbiKXBIj (ORCPT <rfc822;linux-kernel@archiver.kernel.org>);
        Wed, 23 Nov 2022 20:08:39 -0500
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37710 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S229598AbiKXBIf (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Wed, 23 Nov 2022 20:08:35 -0500
Received: from out0.migadu.com (out0.migadu.com [94.23.1.103])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB32F6454B
        for <linux-kernel@vger.kernel.org>; Wed, 23 Nov 2022 17:08:34 -0800 (PST)
Date:   Wed, 23 Nov 2022 17:08:29 -0800
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1;
        t=1669252113;
        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=HbGKRpnmQ412qgzjYpg5qAefunJk3cmUerajjIaJjns=;
        b=i293Z+eNKoC7A7TGvOYCGKnkEZnA8XUTscB7PnvZQ/+kDgqxcKXRGARFMehN60cyDmpMy/
        VKH4YPhmRJi2FmfnPtR7Ci6Yb3cL0y9fsUKdQeLcoNV3oHN5Rp5qzVhMPgcbxLkAofJXTq
        /vA1DQNNPQdC85s07wVF/DxxlL5SUZ0=
X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers.
From:   Roman Gushchin <roman.gushchin@linux.dev>
To:     Vlastimil Babka <vbabka@suse.cz>
Cc:     Christoph Lameter <cl@linux.com>,
        David Rientjes <rientjes@google.com>,
        Joonsoo Kim <iamjoonsoo.kim@lge.com>,
        Pekka Enberg <penberg@kernel.org>,
        Hyeonggon Yoo <42.hyeyoo@gmail.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Matthew Wilcox <willy@infradead.org>, patches@lists.linux.dev,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 02/12] mm, slub: add CONFIG_SLUB_TINY
Message-ID: <Y37EDVJekrtaxSow@P9FQF9L96D.corp.robot.car>
References: <20221121171202.22080-1-vbabka@suse.cz>
 <20221121171202.22080-3-vbabka@suse.cz>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20221121171202.22080-3-vbabka@suse.cz>
X-Migadu-Flow: FLOW_OUT
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Mon, Nov 21, 2022 at 06:11:52PM +0100, Vlastimil Babka wrote:
> For tiny systems that have used SLOB until now, SLUB might be
> impractical due to its higher memory usage. To help with that, introduce
> an option CONFIG_SLUB_TINY that modifies SLUB to use less memory.
> This is done by sacrificing scalability, security and debugging
> features, therefore not recommended for any system with more than 16MB
> RAM.
> 
> This commit introduces the option and uses it to set other related
> options in a way that reduces memory usage.
> 
> Signed-off-by: Vlastimil Babka <vbabka@suse.cz>

Acked-by: Roman Gushchin <roman.gushchin@linux.dev>

Thanks!