Messages in this thread | | | Date | Thu, 14 Apr 2011 14:33:35 -0700 (PDT) | Subject | Re: [PATCH 08/12] netvm: Allow skb allocation to use PFMEMALLOC reserves | From | David Miller <> |
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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.
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