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SubjectRe: [RFC] timers, pointers to functions and type safety
On Mon, Dec 04, 2006 at 01:03:29PM +0000, David Howells wrote:
> Russell King <rmk+lkml@arm.linux.org.uk> wrote:
> > I assume you wanted to delete "data" ?
>
> Yes.
>
> > Your premise is two timer_lists which use one common handler.
> >
> > struct foo {
> > struct timer_list timer1;
> > strucr timer_list timer2;
> > };
>
> That's not what I was thinking of. I was thinking of something much simpler:
>
> struct foo {
> struct timer_list timer;
> };
>
>
> ...
> struct foo *a = kmalloc(sizeof(struct foo), GFP_KERNEL);
> a->timer.fn = do_foo_timer;
> ...
> struct foo *b = kmalloc(sizeof(struct foo), GFP_KERNEL);
> b->timer.fn = do_foo_timer;
> ...
> struct foo *c = kmalloc(sizeof(struct foo), GFP_KERNEL);
> c->timer.fn = do_foo_timer;
> ...
> struct foo *d = kmalloc(sizeof(struct foo), GFP_KERNEL);
> d->timer.fn = do_foo_timer;
> ...
>
> You've now got four copies of struct timer_list, but only one handler.

<re-insert last paragraph of my message until read, understood and
actioned.>

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
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