linux-kernel - Re: Linux 4.17-rc1

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Date:   Mon, 16 Apr 2018 18:10:41 +0200
From:   Dominik Brodowski <linux@...inikbrodowski.net>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 4.17-rc1

On Mon, Apr 16, 2018 at 11:01:57AM +0200, Geert Uytterhoeven wrote:
> On Mon, Apr 16, 2018 at 3:55 AM, Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
> > We actually have a fair amount of other removal and cleanups too. I
> > was somewhat pleasantly surprised by the number of pull requests that
> > actually ended up removing a lot of lines. Some of it was staging
> > drivers that finally gave up the ghost (like irda), but we also got
> > rid of some copyright language boiler-plate in favor of just the spdx
> > lines. And some pre-shipped lexer/parser files are no more, we're
> > better off just generating them.
> >
> > End result: we actually removed more lines than we added:
> >
> >  13538 files changed, 627723 insertions(+), 818855 deletions(-)
> >
> > which is probably a first. Ever. In the history of the universe. Or at
> > least kernel releases.
> >
> > I'd call it momentous, but I think the arch removal was most of it,
> > and I'm sure people will quickly rectify that momentary glitch of
> > actually shrinking the kernel source code.
> 
> For the first time ever(?), we also had a kernel size reduction, according
> to bloat-o-meter (for an m68k atari_defconfig kernel):
> 
>     add/remove: 341/440 grow/shrink: 445/359 up/down: 60125/-133422 (-73297)
> 
> which brings us (size-wise) back to v4.13-and-a-half.
> This is mostly attributed to the removal of lots of SyS_* functions.

Please note that the SyS_* stubs were renamed to __se_sys_* () [__se for
sign-extending], which bloat-o-meter does not handle well.

Thanks,
	Dominik