From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Arjan van de Ven <arjanv@redhat.com>,
akpm@osdl.org, "Martin J. Bligh" <mbligh@aracnet.com>,
linux-mm@kvack.org
Subject: Re: [PATCH] shrink per_cpu_pages to fit 32byte cacheline
Date: Tue, 14 Sep 2004 21:48:08 -0300 [thread overview]
Message-ID: <20040915004808.GA491@logos.cnet> (raw)
In-Reply-To: <4147936B.5080500@yahoo.com.au>
On Wed, Sep 15, 2004 at 10:57:15AM +1000, Nick Piggin wrote:
> Marcelo Tosatti wrote:
>
> >>some version of that; I can't find it in my current one though. Hrmpf
> >>Maybe there's someone from intel or amd on this list who can confirm the
> >>performance impact of the 0x66 operand size override prefix
> >
> >
> >Prefix "data16" I see... Well it doesnt seem anyone really familiar with
> >this is part of the list - who you think would be sure about this?
> >
> >Jun Nakajima maybe?
> >
> >We need to be sure because we've just done for pagevec's.
>
> You could leave them as ints, and just make the size of the pagevec
> 14 on 32-bit archs and 15 on 64-bit ones.
Indeed!
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prev parent reply other threads:[~2004-09-15 0:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-13 23:38 [PATCH] shrink per_cpu_pages to fit 32byte cacheline Marcelo Tosatti
2004-09-14 6:10 ` Arjan van de Ven
2004-09-14 9:34 ` Marcelo Tosatti
2004-09-14 11:13 ` Arjan van de Ven
2004-09-14 10:01 ` Marcelo Tosatti
2004-09-14 11:44 ` Arjan van de Ven
2004-09-14 22:45 ` Marcelo Tosatti
2004-09-15 0:57 ` Nick Piggin
2004-09-15 0:48 ` Marcelo Tosatti [this message]
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