Re: [PATCH -mm 17/25] Mlocked Pages are non-reclaimable

Rik van Riel
2008-06-10T21:14:00Z

On Tue, 10 Jun 2008 05:31:30 +0200
Nick Piggin <npiggin@suse.de> wrote:

> If we eventually run out of page flags on 32 bit, then sure this might be
> one we could look at geting rid of. Once the code has proven itself.

Yes, after the code has proven stable, we can probably get
rid of the PG_mlocked bit and use only PG_unevictable to mark
these pages.

Lee, Kosaki-san, do you see any problem with that approach?
Is the PG_mlocked bit really necessary for non-debugging
purposes?

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