Small cleanups that does not change generated code with the gcc's
I've tested with.
Signed-off-by: Nick Piggin <[email protected]>
Index: linux-2.6/mm/page_alloc.c
===================================================================
--- linux-2.6.orig/mm/page_alloc.c
+++ linux-2.6/mm/page_alloc.c
@@ -438,8 +438,7 @@ void __free_pages_ok(struct page *page,
*
* -- wli
*/
-static inline struct page *
-expand(struct zone *zone, struct page *page,
+static inline void expand(struct zone *zone, struct page *page,
int low, int high, struct free_area *area)
{
unsigned long size = 1 << high;
@@ -453,7 +452,6 @@ expand(struct zone *zone, struct page *p
area->nr_free++;
set_page_order(&page[size], high);
}
- return page;
}
/*
@@ -505,7 +503,8 @@ static struct page *__rmqueue(struct zon
rmv_page_order(page);
area->nr_free--;
zone->free_pages -= 1UL << order;
- return expand(zone, page, order, current_order, area);
+ expand(zone, page, order, current_order, area);
+ return page;
}
return NULL;
@@ -520,19 +519,16 @@ static int rmqueue_bulk(struct zone *zon
unsigned long count, struct list_head *list)
{
int i;
- int allocated = 0;
- struct page *page;
spin_lock(&zone->lock);
for (i = 0; i < count; ++i) {
- page = __rmqueue(zone, order);
- if (page == NULL)
+ struct page *page = __rmqueue(zone, order);
+ if (unlikely(page == NULL))
break;
- allocated++;
list_add_tail(&page->lru, list);
}
spin_unlock(&zone->lock);
- return allocated;
+ return i;
}
#ifdef CONFIG_NUMA
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