linux-kernel - RE: [PATCH 1/3] cpumask: Add a x86-specific cpumask_clear

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Message-ID: <547b5ccef6a54df49e556f596aafaa39@intel.com>
Date:   Fri, 4 Feb 2022 16:46:24 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Borislav Petkov <bp@...en8.de>
CC:     Jakub Kicinski <kuba@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Marco Elver <elver@...gle.com>, X86 ML <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 1/3] cpumask: Add a x86-specific cpumask_clear_cpu()
 helper

> Also, always inline two more cpumask generic helpers.
>
> allyesconfig:
>
>    text    data     bss     dec     hex filename
> 190553143       159425889       32076404        382055436       16c5b40c vmlinux.before
> 190551812       159424945       32076404        382053161       16c5ab29 vmlinux.after

That looks odd. You added "always" to some inline functions, which I'd
have thought might cause *more* inlining, and thus an increase in text
size. But it actually went *down* by 1331 bytes.

-Tony