Re: [PATCH 05/14] net: tcp_memcontrol: protect all tcp_memcontrol calls by jump-label

From: Vladimir Davydov
Date: Sat Nov 14 2015 - 11:34:24 EST

On Thu, Nov 12, 2015 at 06:41:24PM -0500, Johannes Weiner wrote:
> Move the jump-label from sock_update_memcg() and sock_release_memcg()
> to the callsite, and so eliminate those function calls when socket
> accounting is not enabled.

I don't believe this patch's necessary, because these functions aren't
hot paths. Neither do I think it makes the code look better. Anyway,
it's rather a matter of personal preference, and the patch looks correct
to me, so

Reviewed-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx>

> This also eliminates the need for dummy functions because the calls
> will be optimized away if the Kconfig options are not enabled.
> Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>
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