From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
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: Wed, 15 Sep 2004 10:57:15 +1000 [thread overview]
Message-ID: <4147936B.5080500@yahoo.com.au> (raw)
In-Reply-To: <20040914224555.GA714@logos.cnet>
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.
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next prev parent reply other threads:[~2004-09-15 0:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-13 23:38 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 [this message]
2004-09-15 0:48 ` Marcelo Tosatti
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