Messages in this thread | | | Date | Fri, 15 Apr 2011 11:44:01 +0100 | From | Mel Gorman <> | Subject | Re: [PATCH 08/12] netvm: Allow skb allocation to use PFMEMALLOC reserves |
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On Thu, Apr 14, 2011 at 02:33:35PM -0700, David Miller wrote: > From: Mel Gorman <mgorman@suse.de> > 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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