linux-kernel - Re: [PATCH] af_unix: limit unix_tot

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Message-ID: <20101124162548.GA7395@basil.fritz.box>
Date:	Wed, 24 Nov 2010 17:25:48 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Vegard Nossum <vegard.nossum@...il.com>,
	David Miller <davem@...emloft.net>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eugene Teo <eugene@...hat.com>, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] af_unix: limit unix_tot_inflight

> I knew somebody would suggest this ;)
> 
> Hmm, why bother ?
> 
> Do you think 16000 is too big ? Too small ?

I just don't like static limits. Traditionally even the ones
that seemed reasonable at some point were hit by someone
years later.

The latency issue you mention is a valid concern. I guess
an incremental GC would be overkill here ...

-Andi
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