Re: [PATCH] free swap space of (re)activated pages

[Andrew Morton]

On Fri, 02 Mar 2007 15:31:19 -0500
Rik van Riel <riel@xxxxxxxxxx> wrote:

> the attached patch frees the swap space of already resident pages
> when swap space starts getting tight, instead of only freeing up
> the swap space taken up by newly swapped in pages.
> 
> This should result in the swap space of pages that remain resident
> in memory being freed, allowing kswapd more chances to actually swap
> a page out (instead of rotating it back onto the active list).

Fair enough.   How do we work out if this helps things?
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