linux-kernel - Re: mmotm 2010-05-11-18-20 uploaded (aio build; add numa)

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Message-Id: <20100512124244.20365b3c.randy.dunlap@oracle.com>
Date:	Wed, 12 May 2010 12:42:44 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Jeff Moyer <jmoyer@...hat.com>, Jack Steiner <steiner@....com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: mmotm 2010-05-11-18-20 uploaded (aio build; add numa)

On Wed, 12 May 2010 13:07:58 -0400 Jeff Moyer wrote:

> Randy Dunlap <randy.dunlap@...cle.com> writes:
> 
> > On Tue, 11 May 2010 18:21:22 -0700 akpm@...ux-foundation.org wrote:
> >
> >> The mm-of-the-moment snapshot 2010-05-11-18-20 has been uploaded to
> >> 
> >>    http://userweb.kernel.org/~akpm/mmotm/
> >> 
> >> and will soon be available at
> >> 
> >>    git://zen-kernel.org/kernel/mmotm.git
> >
> >
> > aio-fix-the-compat-vectored-operations.patch:
> >
> > (1) when CONFIG_AIO is not enabled, there are hundreds of this warning:
> >
> > include/linux/aio.h:226: warning: no return statement in function returning non-void
> >
> >
> > (2) when CONFIG_AIO=y, CONFIG_IA32_EMULATION=n, CONFIG_COMPAT=n:
> >
> > fs/aio.c:1393: error: implicit declaration of function 'compat_rw_copy_check_uvector'
> 
> Sorry about that.  I'll fix it up, but probably can't get to it until
> Monday.  Hopefully that's an ok timeframe.


Andrew's patch works_for_me.  (Ack)


During the build, I got another (unrelated) build error:

kernel/built-in.o: In function `copy_process':
fork.c:(.text+0x162b6): undefined reference to `__node_random'
fork.c:(.text+0x162cd): undefined reference to `__node_random'

kernel/fork.c needs to #include <linux/nodemask.h>

[builds...]

But that is not enough.  The config file has CONFIG_CPUSETS=y
and CONFIG_NUMA=n, so __node_random() is not being built at all.

---
~Randy
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