Re: [v2.6.26] what's brewing in x86.git for v2.6.26

[Arjan van de Ven]

On Thu, 17 Apr 2008 12:38:00 +0200
Ingo Molnar <mingo@xxxxxxx> wrote:

> 
> * Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> 
> > Thank you whoever wrote kmemcheck.txt
> > 
> > How come slub uses one byte to track the status of each byte when
> > it could use a single bit?
> > 
> > We (still!) have not made the decision whether to proceed with slab
> > or slub.  How hard would it be to port kmemcheck into slab?
> 
> i think slab is clearly out, unless some catastrophic regression is 
> found. 

SLUB still has that several percent TPC-C regression....
Christoph has a small reproducer testcase.


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