Re: aa-200-active_page_swapout

[Andrew Morton]

Rik van Riel wrote:
> 
> On Tue, 19 Mar 2002, Andrew Morton wrote:
> 
> > Don't bother checking for active pages in the swapout path.
> >
> > Not sure about this one.  Clearly the page isn't *likely* to be on the
> > active list, because the caller found it on the inactive list.
> 
> Mmmm nope.
> 
> The caller of swap_out (shrink_caches) may have been scanning the
> inactive list, but swap_out itself scans the page tables.
> 
> This means it can encounter all kinds of pages, active, inactive
> and even reserved pages.
> 

good point :)

So what does the patch do?

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