Re: [PATCH] io: remove padding from io_context on 64bit builds

From: Jens Axboe
Date: Fri Feb 26 2010 - 08:01:16 EST


On Fri, Feb 26 2010, Richard Kennedy wrote:
> On 64 bit builds when CONFIG_BLK_CGROUP=n (the default) this removes 8
> bytes of padding from structure io_context and drops its size from 72 to
> 64 bytes, so needing one fewer cachelines and allowing more objects per
> slab in it's kmem_cache.
>
> Signed-off-by: Richard Kennedy <richard@xxxxxxxxxxxxxxx>

Thanks Richard, applied.

--
Jens Axboe

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