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Message-ID: <alpine.DEB.2.22.394.2112101305500.290446@gentwo.de>
Date:   Fri, 10 Dec 2021 13:06:28 +0100 (CET)
From:   Christoph Lameter <cl@...two.org>
To:     Hyeonggon Yoo <42.hyeyoo@...il.com>
cc:     Matthew Wilcox <willy@...radead.org>,
        Christoph Lameter <cl@...two.de>,
        Linux Memory Management List <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Pekka Enberg <penberg@...nel.org>,
        David Rientjes <rientjes@...gle.com>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>
Subject: Re: Do we really need SLOB nowdays?

On Fri, 10 Dec 2021, Hyeonggon Yoo wrote:

> > > (But I still have doubt if we can run linux on machines like that.)
> >
> > I sent you a series of articles about making Linux run in 1MB.
>
> After some time playing with the size of kernel,
> I was able to run linux in 6.6MiB of RAM. and the SLOB used
> around 300KiB of memory.

What is the minimal size you need for SLUB?

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