Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]

On Sun, 9 Dec 2007, Ingo Molnar wrote:

> unless i'm missing something obvious (and i easily might), i see SLUB as 
> SLAB reimplemented with a different queueing model. Not "without 
> queueing".

The "queue" that you are talking about is the freelist of a slab. It exist 
for each slab. SLAB uses a table of free entries there. The freelist is 
limited to a slab and thus the locality of the freelist is bound to 
the same page which avoids NUMA locality checks.

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References:
- 2.6.24-rc4-git5: Reported regressions from 2.6.23
  - From: "Rafael J. Wysocki" <[email protected]>
- Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]
  - From: Ingo Molnar <[email protected]>
- Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]
  - From: Matt Mackall <[email protected]>
- Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]
  - From: Linus Torvalds <[email protected]>
- Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]
  - From: Linus Torvalds <[email protected]>
- Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]
  - From: Andrew Morton <[email protected]>
- Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]
  - From: Linus Torvalds <[email protected]>
- Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]
  - From: Ingo Molnar <[email protected]>
- Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]
  - From: Ingo Molnar <[email protected]>
- Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]
  - From: "Pekka Enberg" <[email protected]>
- Re: tipc_init(), WARNING: at arch/x86/mm/highmem_32.c:52, [2.6.24-rc4-git5: Reported regressions from 2.6.23]
  - From: Ingo Molnar <[email protected]>

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