[Devel] Re: [PATCH 1/3] nitpick: make simple functions inline

Li Zefan lizf at cn.fujitsu.com
Tue Dec 13 17:09:25 PST 2011


22:45, Glauber Costa wrote:
> Those are quite simple bit-testing functions that are
> only used within this file. Not reason for them not to
> be inline.
> 

It's better to leave the optimization decision to gcc.

And I've confirmed they are inlined by gcc in my box.

(btw, please add "cgroup" prefix to the patch subject line)

> Signed-off-by: Glauber Costa <glommer at parallels.com>
> ---
>  kernel/cgroup.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/cgroup.c b/kernel/cgroup.c
> index d9d5648..e4b9d3c 100644
> --- a/kernel/cgroup.c
> +++ b/kernel/cgroup.c
> @@ -241,12 +241,12 @@ static int cgroup_is_releasable(const struct cgroup *cgrp)
>  	return (cgrp->flags & bits) == bits;
>  }
>  
> -static int notify_on_release(const struct cgroup *cgrp)
> +static inline int notify_on_release(const struct cgroup *cgrp)
>  {
>  	return test_bit(CGRP_NOTIFY_ON_RELEASE, &cgrp->flags);
>  }
>  
> -static int clone_children(const struct cgroup *cgrp)
> +static inline int clone_children(const struct cgroup *cgrp)
>  {
>  	return test_bit(CGRP_CLONE_CHILDREN, &cgrp->flags);
>  }




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