On Mon, 21 Aug 2006 16:09:34 +0400
Evgeniy Polyakov <[email protected]> wrote:
> On Mon, Aug 21, 2006 at 12:12:39PM +0100, Christoph Hellwig ([email protected]) wrote:
> > > +static int __init kevent_init_timer(void)
> > > +{
> > > + struct kevent_callbacks tc = {
> > > + .callback = &kevent_timer_callback,
> > > + .enqueue = &kevent_timer_enqueue,
> > > + .dequeue = &kevent_timer_dequeue};
> >
> > I think this should be static, and the normal style to write it would be:
> >
> > static struct kevent_callbacks tc = {
> > .callback = kevent_timer_callback,
> > .enqueue = kevent_timer_enqueue,
> > .dequeue = kevent_timer_dequeue,
> > };
> >
> > also please consider makring all the kevent_callbacks structs const
> > to avoid false cacheline sharing and accidental modification, similar
> > to what we did to various other operation vectors.
>
> Actually I do not think it should be static, since it is only used for
> initialization and it's members are copied into main structure.
>
It should be static __initdata a) so we don't need to construct it at
runtime and b) so it gets dropped from memory after initcalls have run.
(But given that kevent_init_timer() also gets dropped from memory after initcalls
it hardly matters).
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