Re: [PATCH 2/3] slub: record page flag overlays explicitly

[Christoph Lameter]

On Thu, 15 May 2008, Andy Whitcroft wrote:
 
> SLUB reuses two page bits for internal purposes, it overlays PG_active
> and PG_error.  This is hidden away in slub.c.  Document these overlays
> explicitly in the main page-flags enum along with all the others.

Hmmm.. Add the definitions also to page-flags.h?

SLABFLAG(Frozen, PG_active)
SLABFLAG(Debug, PG_error)
?

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