Re: [BUG] 2.6.6-rc2-bk5 mm/slab.c change broke x86-64 SMP

[Andi Kleen]

> Does this fix?
> 
> diff -puN include/asm-x86_64/processor.h~a include/asm-x86_64/processor.h
> --- 25/include/asm-x86_64/processor.h~a	Fri Apr 30 11:24:58 2004
> +++ 25-akpm/include/asm-x86_64/processor.h	Fri Apr 30 11:25:28 2004
> @@ -20,6 +20,8 @@
>  #include <asm/mmsegment.h>
>  #include <linux/personality.h>
>  
> +#define ARCH_MIN_TASKALIGN L1_CACHE_BYTES

16 should be enough actually. The problem is the FXSAVE instruction that 
is used to switch the FPU state, and that only requires 16 byte alignment.

-Andi
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