Re: [PATCH 04/11] DIO: Use a slab cache for struct dio
From: Jeff Moyer
Date: Mon Aug 08 2011 - 14:01:46 EST
Andi Kleen <andi@xxxxxxxxxxxxxx> writes:
> From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
> A direct slab call is slightly faster than kmalloc and can be better cached
> per CPU. It also avoids rounding to the next kmalloc slab.
> In addition this enforces cache line alignment for struct dio to avoid
> any false sharing.
> Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Acked-by: Jeff Moyer <jmoyer@xxxxxxxxxx>
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