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Date: Fri, 4 Feb 2022 19:04:09 +0100 From: Borislav Petkov <bp@...en8.de> To: "Luck, Tony" <tony.luck@...el.com> 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 On Fri, Feb 04, 2022 at 04:46:24PM +0000, Luck, Tony wrote: > > 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. Or maybe the compiler did some optimizations after the inlining. Here are the numbers on an allmodconfig - 1073 bytes less with this patch. text data bss dec hex filename 27409158 31062465 26710144 85181767 513c547 vmlinux.before 27408085 31062821 26710144 85181050 513c27a vmlinux.after -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette
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