[PATCH] Skip unnecessary pte makeup when clearing it.

Catalin Marinas catalin.marinas at arm.com
Fri Feb 3 06:27:58 EST 2012


On Mon, Jan 30, 2012 at 08:36:07AM +0000, bill4carson at gmail.com wrote:
> From: Bill Carson <bill4carson at gmail.com>
> 
> If we are only about to clear a hardware pte entry, then pte makeup code is
> unnecessary for cpu_v7_set_pte_ext and armv6_set_pte_ext, so just skip it.
> 
> Signed-off-by: Bill Carson <bill4carson at gmail.com>

I'll give similar answer to Uwe - the patch looks fine but I haven't
tested or run any benchmarks to tell whether it's worth.

Anyway,

Acked-by: Catalin Marinas <catalin.marinas at arm.com>



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