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SubjectRe: include/linux/irq.h:452: error: implicit declaration of function 'cpu_to_node'
Alexey Dobriyan wrote:
> On Mon, Feb 09, 2009 at 02:08:42PM -0800, Mike Travis wrote:
>> 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...
>
> Removal helps independently. ;-)

Hmm, yes, obviously... ;-)
>
> Oh and please fold all of this into relevant commit.

Done.
>
> P.S.: irq related headers suck.

Agreed. ;-)

Andrew - is this something you can push via -mm?

Thanks!
Mike
---

Subject: mips: include interrupt.h instead of irq.h

Impact: fix build error on mips arch

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)
...
> Removal helps independently. ;-)

This fix is similar to an issue on s390.

Tested-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Mike Travis <travis@sgi.com>
---
arch/mips/mti-malta/malta-int.c | 1 -
1 file changed, 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 +22,6 @@
* with two internal 82C95 interrupt controllers.
*/
#include <linux/init.h>
-#include <linux/irq.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/interrupt.h>


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