From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=AeVH=PN=kvack.org=owner-linux-mm@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 mail.kernel.org (mail.kernel.org [198.145.29.99])
	by smtp.lore.kernel.org (Postfix) with ESMTP id C8725C433EF
	for <linux-mm@archiver.kernel.org>; Mon, 25 Oct 2021 08:17:10 +0000 (UTC)
Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17])
	by mail.kernel.org (Postfix) with ESMTP id 7F6BE60EFF
	for <linux-mm@archiver.kernel.org>; Mon, 25 Oct 2021 08:17:10 +0000 (UTC)
DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 7F6BE60EFF
Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gentwo.de
Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org
Received: by kanga.kvack.org (Postfix)
	id 1914C6B006C; Mon, 25 Oct 2021 04:17:10 -0400 (EDT)
Received: by kanga.kvack.org (Postfix, from userid 40)
	id 141616B0072; Mon, 25 Oct 2021 04:17:10 -0400 (EDT)
X-Delivered-To: int-list-linux-mm@kvack.org
Received: by kanga.kvack.org (Postfix, from userid 63042)
	id 0579B6B0073; Mon, 25 Oct 2021 04:17:10 -0400 (EDT)
X-Delivered-To: linux-mm@kvack.org
Received: from forelay.hostedemail.com (smtprelay0117.hostedemail.com [216.40.44.117])
	by kanga.kvack.org (Postfix) with ESMTP id EC8196B006C
	for <linux-mm@kvack.org>; Mon, 25 Oct 2021 04:17:09 -0400 (EDT)
Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251])
	by forelay04.hostedemail.com (Postfix) with ESMTP id AC326299C4
	for <linux-mm@kvack.org>; Mon, 25 Oct 2021 08:17:09 +0000 (UTC)
X-FDA: 78734254578.07.B6A5934
Received: from gentwo.de (vmi485042.contaboserver.net [161.97.139.209])
	by imf19.hostedemail.com (Postfix) with ESMTP id 1CA32B0000A3
	for <linux-mm@kvack.org>; Mon, 25 Oct 2021 08:17:04 +0000 (UTC)
Received: by gentwo.de (Postfix, from userid 1001)
	id 3AA29B00100; Mon, 25 Oct 2021 10:17:08 +0200 (CEST)
Received: from localhost (localhost [127.0.0.1])
	by gentwo.de (Postfix) with ESMTP id 377EAB0006A;
	Mon, 25 Oct 2021 10:17:08 +0200 (CEST)
Date: Mon, 25 Oct 2021 10:17:08 +0200 (CEST)
From: Christoph Lameter <cl@gentwo.de>
To: Hyeonggon Yoo <42.hyeyoo@gmail.com>
cc: Matthew Wilcox <willy@infradead.org>, 
    Linux Memory Management List <linux-mm@kvack.org>, 
    LKML <linux-kernel@vger.kernel.org>, Pekka Enberg <penberg@kernel.org>, 
    David Rientjes <rientjes@google.com>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, 
    Andrew Morton <akpm@linux-foundation.org>, 
    Vlastimil Babka <vbabka@suse.cz>
Subject: Re: Do we really need SLOB nowdays?
In-Reply-To: <CAB=+i9Tor-tmZuB8YjATT_rv68nnF2W_TvMvyGp55AGaSyKynw@mail.gmail.com>
Message-ID: <alpine.DEB.2.22.394.2110251016260.3145@gentwo.de>
References: <20211017042852.GA3050@kvm.asia-northeast3-a.c.our-ratio-313919.internal> <20211017133618.GA7989@kvm.asia-northeast3-a.c.our-ratio-313919.internal> <20211017135708.GA8442@kvm.asia-northeast3-a.c.our-ratio-313919.internal> <YWw1n6y/AGED14HD@casper.infradead.org>
 <CAB=+i9Tor-tmZuB8YjATT_rv68nnF2W_TvMvyGp55AGaSyKynw@mail.gmail.com>
User-Agent: Alpine 2.22 (DEB 394 2020-01-19)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
X-Rspamd-Server: rspam03
X-Rspamd-Queue-Id: 1CA32B0000A3
X-Stat-Signature: yxjqs5sb96ix6qh1h979oq9brcr1c5gy
Authentication-Results: imf19.hostedemail.com;
	dkim=none;
	dmarc=none;
	spf=pass (imf19.hostedemail.com: domain of cl@gentwo.de designates 161.97.139.209 as permitted sender) smtp.mailfrom=cl@gentwo.de
X-HE-Tag: 1635149824-397892
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: <linux-mm.kvack.org>

On Mon, 18 Oct 2021, Hyeonggon Yoo wrote:

> > Better for what use case?  SLOB is for machines with 1-16MB of RAM.
> >
>
> 1~16M is smaller than I thought. Hmm... I'm going to see how it works on
> tiny configuration. Thank you Matthew!

Is there any reference where we can see such a configuration? Sure it does
not work with SLUB too?