linux-kernel - Re: [RFC PATCH 0/2] sched: move content out of core files for load average

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Message-ID: <CADZ9YHhdrdJk2aosJFrvbFKYj_eKbW7vypJsUKaxHyR6hpQYRw@mail.gmail.com>
Date:	Sat, 13 Apr 2013 10:30:06 +0600
From:	Rakib Mullick <rakib.mullick@...il.com>
To:	Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 0/2] sched: move content out of core files for load average

On Sat, Apr 13, 2013 at 6:04 AM, Paul Gortmaker
<paul.gortmaker@...driver.com> wrote:
> Recent activity has had a focus on moving functionally related blocks of stuff
> out of sched/core.c into stand-alone files.  The code relating to load average
> calculations has grown significantly enough recently to warrant placing it in
> a separate file.
>
> Here we do that, and in doing so, we shed ~20k of code from sched/core.c (~10%).
>
> A couple small static functions in the core sched.h header were also localized
> to their singular user in sched/fair.c at the same time, with the goal to also
> reduce the amount of "broadcast" content in that sched.h file.
>
> Paul.
> ---
>
> [ Patches sent here are tested on tip's sched/core, i.e. v3.9-rc1-38-gb329fd5
>
>   Assuming that this change is OK with folks, the timing can be whatever is most
>   convenient -- i.e. I can update/respin it close to the end of the merge window
>   for what will be v3.10-rc1, if that is what minimizes the inconvenience to folks
>   who might be changing the code that is relocated here. ]
>
> Paul Gortmaker (2):
>   sched: fork load calculation code from sched/core --> sched/load_avg
>   sched: move update_load_[add/sub/set] from sched.h to fair.c
>
>  kernel/sched/Makefile   |   2 +-
>  kernel/sched/core.c     | 569 -----------------------------------------------
>  kernel/sched/fair.c     |  18 ++
>  kernel/sched/load_avg.c | 577 ++++++++++++++++++++++++++++++++++++++++++++++++
>  kernel/sched/sched.h    |  26 +--
>  5 files changed, 604 insertions(+), 588 deletions(-)
>  create mode 100644 kernel/sched/load_avg.c
>

Is there any impact positive over vmlinuz size after these changes?

Thanks,
Rakib
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