/* How many pages do we try to swap or page in/out together? */
int page_cluster;
+/*
+ * This path almost never happens for VM activity - pages are normally
+ * freed via pagevecs. But it gets used by networking.
+ */
+static void fastcall __page_cache_release(struct page *page)
+{
+ if (PageLRU(page)) {
+ unsigned long flags;
+ struct zone *zone = page_zone(page);
+
+ spin_lock_irqsave(&zone->lru_lock, flags);
+ VM_BUG_ON(!PageLRU(page));
+ __ClearPageLRU(page);
+ del_page_from_lru(zone, page);
+ spin_unlock_irqrestore(&zone->lru_lock, flags);
+ }
+ free_hot_page(page);
+}
+
static void put_compound_page(struct page *page)
{
page = (struct page *)page_private(page);
}
#endif
-/*
- * This path almost never happens for VM activity - pages are normally
- * freed via pagevecs. But it gets used by networking.
- */
-void fastcall __page_cache_release(struct page *page)
-{
- if (PageLRU(page)) {
- unsigned long flags;
- struct zone *zone = page_zone(page);
-
- spin_lock_irqsave(&zone->lru_lock, flags);
- VM_BUG_ON(!PageLRU(page));
- __ClearPageLRU(page);
- del_page_from_lru(zone, page);
- spin_unlock_irqrestore(&zone->lru_lock, flags);
- }
- free_hot_page(page);
-}
-EXPORT_SYMBOL(__page_cache_release);
-
/*
* Batched page_cache_release(). Decrement the reference count on all the
* passed pages. If it fell to zero then remove the page from the LRU and