Re: [PATCH] kswapd performance fix

From: Stephen C. Tweedie (sct@redhat.com)
Date: Fri Feb 25 2000 - 05:26:34 EST


Hi,

On Fri, 25 Feb 2000 00:30:59 +0100 (CET), Rik van Riel
<riel@nl.linux.org> said:

> The patch should apply to any 2.2 or 2.3 kernel, but for
> 2.3 it'll have the interesting side effect of nullifying
> the (minimal) page aging that's going on there.

Have you actually tested the impact of this under a variety of load
conditions? In the past we have seen such apparently trivial changes
completely break the VM balance under certain loads.

--Stephen

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