Re: mm/rmap.c negative page map count BUG.

On Wed, 11 Jan 2006, Octavio Alvarez Piza wrote:
> 
> BTW, what's the first 8 in flags:0x80010008? I can't find 1<<31 in
> include/linux/page-flags.h

It's the zone that page belongs to (you won't, I think, get involved
in nodes and sections): see helpful comment on "page->flags layout"
in include/linux/mm.h, and definitions in include/linux/mmzone.h.

I'd have to make a fool of myself by doing arithmetic in public,
probably getting it wrong, to tell you precisely which zone the
8 meant in 2.6.15 in your config; but it's not interesting anyway.

Hugh
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References:
- mm/rmap.c negative page map count BUG.
  - From: Dave Jones <[email protected]>
- Re: mm/rmap.c negative page map count BUG.
  - From: Nick Piggin <[email protected]>
- Re: mm/rmap.c negative page map count BUG.
  - From: Dave Jones <[email protected]>
- Re: mm/rmap.c negative page map count BUG.
  - From: Andrew Morton <[email protected]>
- Re: mm/rmap.c negative page map count BUG.
  - From: Dave Jones <[email protected]>
- Re: mm/rmap.c negative page map count BUG.
  - From: Arjan van de Ven <[email protected]>
- Re: mm/rmap.c negative page map count BUG.
  - From: Dave Jones <[email protected]>
- Re: mm/rmap.c negative page map count BUG.
  - From: "Octavio Alvarez" <[email protected]>
- Re: mm/rmap.c negative page map count BUG.
  - From: Octavio Alvarez Piza <[email protected]>
- Re: mm/rmap.c negative page map count BUG.
  - From: Hugh Dickins <[email protected]>
- Re: mm/rmap.c negative page map count BUG.
  - From: Octavio Alvarez Piza <[email protected]>

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