linux-kernel - Re: [PATCH 08/12] netvm: Allow skb allocation to use PFMEMALLOC reserves

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20110415104401.GC22688@suse.de>
Date:	Fri, 15 Apr 2011 11:44:01 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	David Miller <davem@...emloft.net>
Cc:	linux-mm@...ck.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, a.p.zijlstra@...llo.nl
Subject: Re: [PATCH 08/12] netvm: Allow skb allocation to use PFMEMALLOC
 reserves

On Thu, Apr 14, 2011 at 02:33:35PM -0700, David Miller wrote:
> From: Mel Gorman <mgorman@...e.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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/