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

From Vladimir Davydov <vdavydov@virtuozzo.com>
Newsgroups linux.kernel
Subject Re: [PATCH 05/14] net: tcp_memcontrol: protect all tcp_memcontrol calls by jump-label
Date 2015-11-14 17:40 +0100
Message-ID <quM1Q-6n8-19@gated-at.bofh.it> (permalink)
References <qu9MR-79j-5@gated-at.bofh.it> <qu9MR-79j-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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@virtuozzo.com>

> 
> 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@cmpxchg.org>
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Thread

[PATCH 05/14] net: tcp_memcontrol: protect all tcp_memcontrol calls by jump-label Johannes Weiner <hannes@cmpxchg.org> - 2015-11-13 00:50 +0100
  Re: [PATCH 05/14] net: tcp_memcontrol: protect all tcp_memcontrol  calls by jump-label David Miller <davem@davemloft.net> - 2015-11-13 17:10 +0100
  Re: [PATCH 05/14] net: tcp_memcontrol: protect all tcp_memcontrol  calls by jump-label Vladimir Davydov <vdavydov@virtuozzo.com> - 2015-11-14 17:40 +0100
    Re: [PATCH 05/14] net: tcp_memcontrol: protect all tcp_memcontrol  calls by jump-label Johannes Weiner <hannes@cmpxchg.org> - 2015-11-16 19:00 +0100

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