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 12:35:43 +1100 [thread overview]
Message-ID: <403D4D6F.6040304@cyberone.com.au> (raw)
In-Reply-To: <20040225171445.148d99a1.akpm@osdl.org>
Andrew Morton wrote:
>Nick Piggin <piggin@cyberone.com.au> wrote:
>
>>You would
>>expect ZONE_NORMAL to have more pages reclaimed from it
>>because there should be more pressure on it.
>>
>
>Why?
>
>The only things which should be special about ZONE_NORMAL which I can think
>of are:
>
>a) All the early-allocated pinned memory is sitting there and
>
>b) If you start an app which uses a lot of memory, its text pages will
> probabyl be in ZONE_NORMAL while ZONE_DMA will contain just bss and
> pagecache.
>
Maybe. If you're doing a heavy swapping kbuild, stuff will
be pretty randomly placed. And ZONE_NORMAL will just get
more pressure due to trying to allocate from there first.
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next prev parent reply other threads:[~2004-02-26 1:35 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 [this message]
2004-02-26 1:57 ` Andrew Morton
2004-02-26 2:04 ` Nick Piggin
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