From: Rik van Riel <riel@redhat.com>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC 1/3] non-resident page tracking
Date: Wed, 10 Aug 2005 04:40:28 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.61.0508100439510.1888@chimarrao.boston.redhat.com> (raw)
In-Reply-To: <20050809211305.GA23675@dmt.cnet>
On Tue, 9 Aug 2005, Marcelo Tosatti wrote:
> Well, not really "good approximation" it sounds to me, the sensibility
> goes down to L1_CACHE_LINE/sizeof(u32), which is:
>
> - 8 on 32-byte cacheline
> - 16 on 64-byte cacheline
> - 32 on 128-byte cacheline
>
> Right?
>
> So the (nice!) refault histogram gets limited to those values?
I agree that 7 would be too small. I guess I should limit the
minimum size of the nonresident hash bucket to 15 entries...
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next prev parent reply other threads:[~2005-08-10 8:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-08 20:14 [RFC 0/3] " Rik van Riel
2005-08-08 20:14 ` [RFC 1/3] " Rik van Riel
2005-08-08 20:26 ` David S. Miller, Rik van Riel
2005-08-08 20:30 ` Rik van Riel
2005-08-09 18:25 ` Marcelo Tosatti
2005-08-09 19:15 ` Peter Zijlstra
2005-08-09 21:13 ` Marcelo Tosatti
2005-08-10 8:40 ` Rik van Riel [this message]
2005-08-09 23:52 ` Rik van Riel
2005-08-08 20:14 ` [RFC 2/3] " Rik van Riel
2005-08-08 20:14 ` [RFC 3/3] " Rik van Riel
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