Re: [Xen-devel] [PATCH] cleancache: constify cleancache_ops structure

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On Thu, 21 Jan 2016, David Vrabel wrote:

> On 23/12/15 21:06, Julia Lawall wrote:
> > The cleancache_ops structure is never modified, so declare it as const.
> >
> > This also removes the __read_mostly declaration on the cleancache_ops
> > variable declaration, since it seems redundant with const.
> >
> > Done with the help of Coccinelle.
> >
> > Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
> >
> > ---
> >
> > Not sure that the __read_mostly change is correct.  Does it apply to the
> > variable, or to what the variable points to?
>
> The variable, so...

Thanks.  I'll update the patch, unless you have already fixed it.

julia

> > --- a/mm/cleancache.c
> > +++ b/mm/cleancache.c
> > @@ -22,7 +22,7 @@
> >   * cleancache_ops is set by cleancache_register_ops to contain the pointers
> >   * to the cleancache "backend" implementation functions.
> >   */
> > -static struct cleancache_ops *cleancache_ops __read_mostly;
> > +static const struct cleancache_ops *cleancache_ops;
>
> ...you want to retain the __read_mostly here.
>
> David
> --
> To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>



[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [ECOS]     [Asterisk Internet PBX]     [Linux API]