Re: 2.6.16-rc6-mm2

[Christoph Lameter]

On Sat, 10 Jun 2006, Michal Piotrowski wrote:

> And I get this error
> /usr/src/linux-mm/mm/page_alloc.c: In function 'vm_events_fold_cpu':
> /usr/src/linux-mm/mm/page_alloc.c:2885: error: incompatible type for
> argument 2 of 'count_vm_events'
> /usr/src/linux-mm/mm/page_alloc.c:2886: error: invalid type argument of '->'
> make[2]: *** [mm/page_alloc.o] B??d 1
> make[1]: *** [mm] B??d 2
> make: *** [_all] B??d 2
> 
> As I said - pain in the ass for people that aren't kernel hackers.

Hmmm. That is hotplug which I cannot enable on ia64. I checked this by
moving the #ifdef CONFIG_HOTPLUG

Index: linux-2.6.17-rc6-mm2/mm/page_alloc.c
===================================================================
--- linux-2.6.17-rc6-mm2.orig/mm/page_alloc.c	2006-06-10 11:30:44.560354535 -0700
+++ linux-2.6.17-rc6-mm2/mm/page_alloc.c	2006-06-10 11:34:22.213840263 -0700
@@ -2881,8 +2881,8 @@ static void vm_events_fold_cpu(int cpu)
 	int i;
 
 	for (i = 0; i < NR_VM_EVENT_ITEMS; i++) {
-		count_vm_events(i, fold_state->event[i]);
-		local_set(fold_state->event[i], 0);
+		count_vm_events(i, local_read(&fold_state->event[i]));
+		local_set(&fold_state->event[i], 0);
 	}
 }
 
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