From: Manfred Spraul <manfred@colorfullife.com>
To: Marcelo Tosatti <marcelo@conectiva.com.br>
Cc: linux-mm@kvack.org
Subject: Re: [PATCH] modified memory_pressure calculation
Date: Mon, 28 May 2001 21:20:53 +0200 [thread overview]
Message-ID: <3B12A515.B8B207EA@colorfullife.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0105281425450.1204-100000@freak.distro.conectiva>
Marcelo Tosatti wrote:
>
> I disagree with the second hunk.
>
> memory_pressure is used to calculate the size of _both_ the inactive dirty
> and clean lists.
>
> Since you're adding the page back to the inactive dirty list, you should
> not increase memory_pressure.
>
Correct. And page_launder should increase memory_pressure fore each page
it moves back into the active list.
But I don't like the overloading of memory_pressure. Initially I thought
that one ++ is missing.
I think an additional statistic variable would be better.
[reactivation_rate, or whatever].
--
Manfred
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next prev parent reply other threads:[~2001-05-28 19:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-27 12:30 Manfred Spraul
2001-05-27 15:58 ` Rik van Riel
2001-05-27 17:44 ` Manfred Spraul
2001-05-27 17:51 ` Rik van Riel
2001-05-27 18:24 ` Manfred Spraul
2001-05-27 18:40 ` Rik van Riel
2001-05-28 17:29 ` Marcelo Tosatti
2001-05-28 19:20 ` Manfred Spraul [this message]
2001-05-28 18:07 ` Marcelo Tosatti
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