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SubjectRe: [PATCH] mm: disallow direct reclaim page writeback
On Thu, Apr 15, 2010 at 11:43:48AM +0900, KOSAKI Motohiro wrote:
> > I already have some patches to remove trivial parts of struct scan_control,
> > namely may_unmap, may_swap, all_unreclaimable and isolate_pages. The rest
> > needs a deeper look.
>
> Seems interesting. but scan_control diet is not so effective. How much
> bytes can we diet by it?

Not much, it cuts 16 bytes on x86 32 bit. The bigger gain is the code
clarification it comes with. There is too much state to keep track of
in reclaim.


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