[PATCH] use set_current_state in mm

Patch from Robert Love <rml@tech9.net>

There are a couple uses of 'p->state=foo' in mm/ which are open coded.
This patch converts them to the proper [__]set_current_state() function.

mm/highmem.c

@@ -120,7 +120,7 @@ static inline unsigned long map_new_virtual(struct page *page)
 		{
 			DECLARE_WAITQUEUE(wait, current);
 
-			current->state = TASK_UNINTERRUPTIBLE;
+			__set_current_state(TASK_UNINTERRUPTIBLE);
 			add_wait_queue(&pkmap_map_wait, &wait);
 			spin_unlock(&kmap_lock);
 			schedule();

mm/memory.c

@@ -1453,7 +1453,7 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct * vma,
 	pgd_t *pgd;
 	pmd_t *pmd;
 
-	current->state = TASK_RUNNING;
+	__set_current_state(TASK_RUNNING);
 	pgd = pgd_offset(mm, address);
 
 	inc_page_state(pgfault);