linux-kernel - Re: [PATCH -rt] 2.6.19-4c6-rt9 build problem

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Date:	Wed, 29 Nov 2006 14:44:52 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -rt] 2.6.19-4c6-rt9 build problem

On Wed, Nov 29, 2006 at 09:03:07PM +0100, Ingo Molnar wrote:
> 
> * Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote:
> 
> > Hello!
> >
> > Got a compiler error building 1.6.19-rc6-rt9 on NUMA-Q, admittedly
> > with unusual config.  The patch below solves it, though I cannot say
> > that I am an ACPI expert.
> 
> thanks, applied. Have you tried to boot the resulting kernel as well?

Hit another build error.  :-/

The following combined (crude) patch makes the build succeed.  Rebooting now,
with fingers firmly crossed...

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

 include/linux/acpi_pmtmr.h |    2 ++
 mm/page_alloc.c            |    2 ++
 2 files changed, 4 insertions(+)

diff -urpNa -X dontdiff linux-2.6.19-rc6-rt9/include/linux/acpi_pmtmr.h linux-2.6.19-rc6-rt9.tscbug/include/linux/acpi_pmtmr.h
--- linux-2.6.19-rc6-rt9/include/linux/acpi_pmtmr.h	2006-11-28 17:21:55.000000000 -0800
+++ linux-2.6.19-rc6-rt9.tscbug/include/linux/acpi_pmtmr.h	2006-11-29 08:09:07.000000000 -0800
@@ -27,6 +27,8 @@ static inline u32 acpi_pm_read_early(voi
 
 #else
 
+#define pmtmr_ioport 0
+
 static inline u32 acpi_pm_read_early(void)
 {
 	return 0;
diff -urpNa -X dontdiff linux-2.6.19-rc6-rt9/mm/page_alloc.c linux-2.6.19-rc6-rt9.tscbug/mm/page_alloc.c
--- linux-2.6.19-rc6-rt9/mm/page_alloc.c	2006-11-28 17:21:56.000000000 -0800
+++ linux-2.6.19-rc6-rt9.tscbug/mm/page_alloc.c	2006-11-29 14:14:09.000000000 -0800
@@ -2790,7 +2790,9 @@ static int page_alloc_cpu_notify(struct 
 		__lock_cpu_pcp(&flags, cpu);
 		WARN_ON_ONCE(cpu == raw_smp_processor_id());
 
+#ifdef CONFIG_PM
 		__drain_pages(cpu);
+#endif /* #ifdef CONFIG_PM */
 		vm_events_fold_cpu(cpu);
 		refresh_cpu_vm_stats(cpu);
 		unlock_cpu_pcp(flags, cpu);
-
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