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Date: Wed, 27 Jun 2012 09:32:46 +0100 From: Mel Gorman <mgorman@...e.de> To: Sebastian Andrzej Siewior <sebastian@...akpoint.cc> Cc: Andrew Morton <akpm@...ux-foundation.org>, Linux-MM <linux-mm@...ck.org>, Linux-Netdev <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, David Miller <davem@...emloft.net>, Neil Brown <neilb@...e.de>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Mike Christie <michaelc@...wisc.edu>, Eric B Munson <emunson@...bm.net>, Eric Dumazet <eric.dumazet@...il.com> Subject: Re: [PATCH 09/16] netvm: Allow skb allocation to use PFMEMALLOC reserves On Tue, Jun 26, 2012 at 05:27:34PM +0200, Sebastian Andrzej Siewior wrote: > On Fri, Jun 22, 2012 at 03:30:36PM +0100, Mel Gorman wrote: > > diff --git a/net/core/sock.c b/net/core/sock.c > > index 5c9ca2b..159dccc 100644 > > --- a/net/core/sock.c > > +++ b/net/core/sock.c > > @@ -271,6 +271,9 @@ __u32 sysctl_rmem_default __read_mostly = SK_RMEM_MAX; > > int sysctl_optmem_max __read_mostly = sizeof(unsigned long)*(2*UIO_MAXIOV+512); > > EXPORT_SYMBOL(sysctl_optmem_max); > > > > +struct static_key memalloc_socks = STATIC_KEY_INIT_FALSE; > > +EXPORT_SYMBOL_GPL(memalloc_socks); > > + > > This is used via sk_memalloc_socks() by SLAB. > > From 3da9ab9972845974da114c5a6624335e6371b2d5 Mon Sep 17 00:00:00 2001 > From: Sebastian Andrzej Siewior <bigeasy@...utronix.de> > Date: Tue, 26 Jun 2012 17:18:20 +0200 > Subject: [PATCH] export sk_memalloc_socks() only with CONFIG_NET > > |mm/built-in.o: In function `atomic_read': > |include/asm/atomic.h:25: undefined reference to `memalloc_socks' > |include/asm/atomic.h:25: undefined reference to `memalloc_socks' > |include/asm/atomic.h:25: undefined reference to `memalloc_socks' > |include/asm/atomic.h:25: undefined reference to `memalloc_socks' > |include/asm/atomic.h:25: undefined reference to `memalloc_socks' > |mm/built-in.o:include/asm/atomic.h:25: more undefined references to `memalloc_socks' follow > > Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de> Well caught. I had not tested build with !CONFIG_NET. I've folded in this patch and the credits accordingly. Thanks. -- Mel Gorman SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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