Re: [RFC][PATCH 6/7] mm: slub: remove 'struct page' alignmentrestrictions

[Andi Kleen]

> helps performance, presumably because of that 14% fewer
> cacheline effect.  A 30GB dd to a ramfs file:
> 
> 	dd if=/dev/zero of=bigfile bs=$((1<<30)) count=30
> 
> is sped up by about 4.4% in my testing.

Impressive result!

-Andi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/