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DateTue, 20 Apr 2004 19:23:35 +0200
FromManfred Spraul <>
SubjectRe: slab-alignment-rework.patch in -mc
Andrea Arcangeli wrote:

>On Tue, Apr 20, 2004 at 12:24:23AM -0700, Andrew Morton wrote:
> 
>
>>So I do think that we should either make "align=0" translate to "pack them
>>densely" or do the big sweep across all kmem_cache_create() callsites.
>> 
>>
>
>agreed.
> 
>
What about this proposal:
SLAB_HWCACHE_ALIGN clear: align to max(sizeof(void*), align).
SLAB_HWCACHE_ALIGN set: align to max(cpu_align(), align).

cpu_align is the cpu cache line size - either runtime or compile time.

Or are there users that want an alignment smaller than sizeof(void*)?
--
    Manfred

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