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SubjectRe: include/linux/irq.h:452: error: implicit declaration of function 'cpu_to_node'
Mike Travis wrote:
> Alexey Dobriyan wrote:
>> On Wed, Jan 21, 2009 at 03:38:25PM -0800, Mike Travis wrote:
>>> Alexey Dobriyan wrote:
>>>> On mips-malta:
>>>>
>>>> CC arch/mips/mti-malta/malta-int.o
>>>> In file included from arch/mips/mti-malta/malta-int.c:25:
>>>> include/linux/irq.h: In function 'init_alloc_desc_masks':
>>>> include/linux/irq.h:452: error: implicit declaration of function 'cpu_to_node'
>>>> include/linux/irq.h:454: error: 'GFP_ATOMIC' undeclared (first use in this function)
>>>>
>>>> I _think_ init_alloc_desc_masks() should be made out of line to fix this.
>>> Hi Alexey,
>>>
>>> Does adding #include <linux/slab.h> fix the error? If so, I can add this to
>>> linux/irq.h.
>>>
>>> The primary reason it's inline is that unless CONFIG_CPUMASK_OFFSTACK=y, then the
>>> entire routine is a NOP which optimizes out more completely as an inline function.
>> linux/slab.h helps.
>
> Hi Alexey,
>
> Since you reported this problem a similar issue was discovered on s390. However
> the fix for that was to include interrupt.h instead of irq.h.
>
> Could you try this as well?
>
> Here's a tail end pointer to the thread and Andrew's commit msg including the
> patch is below.
>
> http://marc.info/?l=linux-mm-commits&m=123360349631362&w=4

Sorry, I should have made a patch specific to mips, and here that is...

Thanks,
Mike
---
Subject: mips: include interrupt.h instead of irq.h

Impact: fix build error on mips arch

Signed-off-by: Mike Travis <travis@sgi.com>
---
arch/mips/mti-malta/malta-int.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6-linus.orig/arch/mips/mti-malta/malta-int.c
+++ linux-2.6-linus/arch/mips/mti-malta/malta-int.c
@@ -22,7 +22,7 @@
* with two internal 82C95 interrupt controllers.
*/
#include <linux/init.h>
-#include <linux/irq.h>
+#include <linux/interrupt.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/interrupt.h>

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