From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
To: Cesar Eduardo Barros <cesarb@cesarb.net>
Cc: kosaki.motohiro@jp.fujitsu.com, linux-mm@kvack.org,
Andrew Morton <akpm@linux-foundation.org>,
Hugh Dickins <hughd@google.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Minchan Kim <minchan.kim@gmail.com>,
Jens Axboe <jaxboe@fusionio.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mm: remove inline from scan_swap_map
Date: Mon, 7 Mar 2011 10:27:52 +0900 (JST) [thread overview]
Message-ID: <20110307102754.89EA.A69D9226@jp.fujitsu.com> (raw)
In-Reply-To: <1299350956-5614-1-git-send-email-cesarb@cesarb.net>
> scan_swap_map is a large function (224 lines), with several loops and a
> complex control flow involving several gotos.
>
> Given all that, it is a bit silly that is is marked as inline. The
> compiler agrees with me: on a x86-64 compile, it did not inline the
> function.
>
> Remove the "inline" and let the compiler decide instead.
>
> Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
> ---
> mm/swapfile.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/swapfile.c b/mm/swapfile.c
> index 0341c57..8ed42e7 100644
> --- a/mm/swapfile.c
> +++ b/mm/swapfile.c
> @@ -212,8 +212,8 @@ static int wait_for_discard(void *word)
> #define SWAPFILE_CLUSTER 256
> #define LATENCY_LIMIT 256
>
> -static inline unsigned long scan_swap_map(struct swap_info_struct *si,
> - unsigned char usage)
> +static unsigned long scan_swap_map(struct swap_info_struct *si,
> + unsigned char usage)
I agree.
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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next prev parent reply other threads:[~2011-03-07 1:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-05 18:49 Cesar Eduardo Barros
2011-03-05 18:51 ` Pekka Enberg
2011-03-07 1:27 ` KOSAKI Motohiro [this message]
2011-03-07 6:07 ` KAMEZAWA Hiroyuki
2011-03-07 15:39 ` Minchan Kim
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