extern enum compact_result try_to_compact_pages(gfp_t gfp_mask,
unsigned int order, unsigned int alloc_flags,
const struct alloc_context *ac, enum compact_priority prio);
-extern void compact_pgdat(pg_data_t *pgdat, int order);
extern void reset_isolation_suitable(pg_data_t *pgdat);
extern enum compact_result compaction_suitable(struct zone *zone, int order,
unsigned int alloc_flags, int classzone_idx);
extern void wakeup_kcompactd(pg_data_t *pgdat, int order, int classzone_idx);
#else
-static inline void compact_pgdat(pg_data_t *pgdat, int order)
-{
-}
-
static inline void reset_isolation_suitable(pg_data_t *pgdat)
{
}