samples/c/0/swap.c
static void __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);
}
/*
 * This path almost never happens for VM activity - pages are normally
 * freed via pagevecs.  But it gets used by networking.
 */
This path almost never happens for VM activity - pages are normally
freed via pagevecs.  But it gets used by networking.
This path almost never happens for VM activity - pages are normally freed via pagevecs . But it gets used by networking .
static void __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 __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 ) ; }
This path almost never happens for VM activity - pages are normally
 freed via pagevecs.
This path almost never happens for VM activity - pages are normally freed via pagevecs .