Re: [PATCH] drivers/char/specialix.c: stop inlining largish static functions

From: Rogier Wolff
Date: Tue Apr 08 2008 - 07:50:17 EST


On Tue, Apr 08, 2008 at 12:44:53PM +0200, Denys Vlasenko wrote:
> Hi Alan,
>
> drivers/char/specialix.c has unusually large number
> of static inline functions - 22.
>
> I looked through them. The file is positively inline-happy.
> Inlines with udelay() calls. Inlines with complex loops.
> Nested inlines. Rarely called inlines (e.g. with request_region
> inside).
>
> This patch removes "inline" from 15 static functions
> (regardless of number of callsites - gcc nowadays auto-inlines
> statics with one callsite).
>
> Size difference for 32bit x86:
> text data bss dec hex filename
> 21669 204 8780 30653 77bd linux-2.6-ALLYES/drivers/char/specialix.o
> 18470 204 8780 27454 6b3e linux-2.6.inline-ALLYES/drivers/char/specialix.o
>
>
> Signed-off-by: Denys Vlasenko <vda.linux@xxxxxxxxxxxxxx>

Ack!

Signed-off-by: Rogier Wolff <R.E.Wolff@xxxxxxxxxxxx>

Roger.

--
** R.E.Wolff@xxxxxxxxxxxx ** http://www.BitWizard.nl/ ** +31-15-2600998 **
** Delftechpark 26 2628 XH Delft, The Netherlands. KVK: 27239233 **
*-- BitWizard writes Linux device drivers for any device you may have! --*
Q: It doesn't work. A: Look buddy, doesn't work is an ambiguous statement.
Does it sit on the couch all day? Is it unemployed? Please be specific!
Define 'it' and what it isn't doing. --------- Adapted from lxrbot FAQ
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/