linux-kernel - Re: linux-next: build failure after merge of the final tree (pm tree related)

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Date:	Thu, 24 Nov 2011 17:19:49 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Tejun Heo <tj@...nel.org>
Subject: Re: linux-next: build failure after merge of the final tree (pm
 tree related)

Hi Rafael,

On Tue, 15 Nov 2011 00:12:56 +0100 "Rafael J. Wysocki" <rjw@...k.pl> wrote:
>
> On Monday, November 14, 2011, Stephen Rothwell wrote:
> > 
> > After merging the final tree, today's linux-next build (powerpc
> > allnoconfig) failed like this:
> > 
> > mm/oom_kill.c: In function 'select_bad_process':
> > mm/oom_kill.c:326:5: error: implicit declaration of function '__thaw_task' [-Werror=implicit-function-declaration]
> > 
> > Caused by commit 23527e313ca5 ("PM / Freezer: Fix fallout of thaw_process()
> > -> __thaw_task() rename").  __thaw_task() is only declared id
> > CONFIG_FREEZER is set.  Commit 944e192db53c ("freezer: rename thaw_process()
> > to __thaw_task() and simplify the implementation") removed the second
> > declaration of thaw_process() without replacing it ...
> > 
> > I have added this patch for today:
> > 
> > From: Stephen Rothwell <sfr@...b.auug.org.au>
> > Date: Mon, 14 Nov 2011 14:19:32 +1100
> > Subject: [PATCH] freezer: fix more fallout from the thaw_process rename
> > 
> > Commit 944e192db53c "freezer: rename thaw_process() to __thaw_task()
> > and simplify the implementation" did not create a !CONFIG_FREEZER version
> > of __thaw_task().
> > 
> > Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> 
> I've applied your patch to linux-pm/pm-freezer and merged it into
> linux-pm/linux-next.
> 
> Thanks,
> Rafael
> 
> > ---
> >  include/linux/freezer.h |    1 +
> >  1 files changed, 1 insertions(+), 0 deletions(-)
> > 
> > diff --git a/include/linux/freezer.h b/include/linux/freezer.h
> > index cc779bb..a9dccc6 100644
> > --- a/include/linux/freezer.h
> > +++ b/include/linux/freezer.h
> > @@ -166,6 +166,7 @@ static inline bool set_freezable_with_signal(void)
> >  #else /* !CONFIG_FREEZER */
> >  static inline bool frozen(struct task_struct *p) { return false; }
> >  static inline bool freezing(struct task_struct *p) { return false; }
> > +static inline void __thaw_task(struct task_struct *t) {}
> >  
> >  static inline bool __refrigerator(bool check_kthr_stop) { return false; }
> >  static inline int freeze_processes(void) { return -ENOSYS; }
> > 
> 

This is back today, so I have applied the above patch again.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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