On Thu, Apr 14, 2011 at 02:33:35PM -0700, David Miller wrote:
> From: Mel Gorman <mgorman@xxxxxxx>
> Date: Thu, 14 Apr 2011 11:41:34 +0100
>
> > +extern int memalloc_socks;
> > +static inline int sk_memalloc_socks(void)
> > +{
> > + return memalloc_socks;
> > +}
> > +
> ...
> > +static DEFINE_MUTEX(memalloc_socks_lock);
> > +int memalloc_socks __read_mostly;
>
> Please use an atomic_t, it has to be more efficient than this mutex
> business.
Will fix.
Thanks.
--
Mel Gorman
SUSE Labs
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