/* Swap 50% full? Release swapcache more aggressively.. */
#define vm_swap_full() (nr_swap_pages*2 < total_swap_pages)
-/* linux/mm/oom_kill.c */
-extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order);
-extern int register_oom_notifier(struct notifier_block *nb);
-extern int unregister_oom_notifier(struct notifier_block *nb);
-
/* linux/mm/memory.c */
extern void swapin_readahead(swp_entry_t, unsigned long, struct vm_area_struct *);