Re: lots of code could be simplified by using ARRAY_SIZE()

From: Robert P. J. Day
Date: Sun Dec 17 2006 - 13:30:22 EST


On Sun, 17 Dec 2006, Randy Dunlap wrote:

> On Sun, 17 Dec 2006 13:13:59 -0500 (EST) Robert P. J. Day wrote:
>
> >
> > so here's the end result of my experiment to replace unnecessary
> > code snippets with an invocation of the ARRAY_SIZE() macro from
> > include/linux/kernel.h. i've attached the script that i ran on the
> > entire tree, then (after adding al viro's connector patch), did:
> >
> > $ make allyesconfig # for the stress factor
> > $ make
> >
> > to see what would happen.
> >
> > amazingly, the compile worked all the way down to:
> >
> > AS arch/i386/boot/bootsect.o
> > LD arch/i386/boot/bootsect
> > AS arch/i386/boot/setup.o
> > LD arch/i386/boot/setup
> > AS arch/i386/boot/compressed/head.o
> > CC arch/i386/boot/compressed/misc.o
> > OBJCOPY arch/i386/boot/compressed/vmlinux.bin
> > HOSTCC arch/i386/boot/compressed/relocs
> > arch/i386/boot/compressed/relocs.c: In function 'sym_type':
> > arch/i386/boot/compressed/relocs.c:72: warning: implicit declaration of function 'ARRAY_SIZE'
>
> That's a userspace program and shouldn't use kernel.h.

ah, quite right, my bad. eggnog hangover.

rday
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