netdev - Re: [PATCH net 1/3] rhashtable: don't test for shrink on insert, expansion on delete

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Message-ID: <20150220115651.GA4586@casper.infradead.org>
Date:	Fri, 20 Feb 2015 11:56:51 +0000
From:	"tgraf@...g.ch" <tgraf@...g.ch>
To:	Daniel Borkmann <daniel@...earbox.net>
Cc:	David Laight <David.Laight@...LAB.COM>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"johunt@...mai.com" <johunt@...mai.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	Ying Xue <ying.xue@...driver.com>
Subject: Re: [PATCH net 1/3] rhashtable: don't test for shrink on insert,
 expansion on delete

On 02/20/15 at 11:13am, Daniel Borkmann wrote:
> On 02/20/2015 11:08 AM, David Laight wrote:
> ...
> >Does it actually make sense to shrink below the initial default size?
> 
> rhashtable has a min_shift parameter, shrinks cannot go below that.

Right, it's up to the user to set min_shift according to nelems hint
or not. I see use cases for both behaviours.
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