To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [patch 1/14] mm: opt rmqueue
References: <436DBAC3.7090902@yahoo.com.au> <436DBCBC.5000906@yahoo.com.au>
From: Andi Kleen <ak@suse.de>
Date: 06 Nov 2005 18:37:49 +0100
In-Reply-To: <436DBCBC.5000906@yahoo.com.au>
Message-ID: <p73br0x3ceq.fsf@verdi.suse.de>
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Nick Piggin <nickpiggin@yahoo.com.au> writes:

> 1/14
> 
> -- 
> SUSE Labs, Novell Inc.
> 
> Slightly optimise some page allocation and freeing functions by
> taking advantage of knowing whether or not interrupts are disabled.

Another thing that could optimize that would be to use local_t
for the per zone statistics and the VM statistics (i have an
old patch for the later, needs polishing up for the current
kernel) 
With an architecture optimized for it (like i386/x86-64) they
generate much better code.

-Andi
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