From: Nick Piggin <piggin@cyberone.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: linux-mm@kvack.org, Nikita@Namesys.COM
Subject: Re: More vm benchmarking
Date: Thu, 26 Feb 2004 13:04:41 +1100 [thread overview]
Message-ID: <403D5439.9090509@cyberone.com.au> (raw)
In-Reply-To: <20040225175716.597e0008.akpm@osdl.org>
Andrew Morton wrote:
>Nick Piggin <piggin@cyberone.com.au> wrote:
>
>>And ZONE_NORMAL will just get
>>more pressure due to trying to allocate from there first.
>>
>
>No, that shouldn't be the case. Once ZONE_NORMAL hits pages_high it just
>sits there doing nothing until ZONE_DMA hits pages_high too. That's the
>point at we run (now proportional) page reclaim against both zones.
>
After it gets past that stage though, and goes into direct
reclaim... Anyway I'll look into it more.
BTW. The SMP kbuild benchmarks are looking much the same
as the UP ones just with a little bit more variance. Our
tests must be running in parallel universes or something :(
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prev parent reply other threads:[~2004-02-26 2:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-25 9:11 Nick Piggin
2004-02-25 9:21 ` Nick Piggin
2004-02-25 9:47 ` Andrew Morton
2004-02-25 9:57 ` Nick Piggin
2004-02-25 10:04 ` Andrew Morton
2004-02-25 11:50 ` Andrew Morton
2004-02-26 0:51 ` Nick Piggin
2004-02-26 1:14 ` Andrew Morton
2004-02-26 1:35 ` Nick Piggin
2004-02-26 1:57 ` Andrew Morton
2004-02-26 2:04 ` Nick Piggin [this message]
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