COMPACT_MAX_DEFER_SHIFT 57 include/linux/compaction.h if (zone->compact_defer_shift > COMPACT_MAX_DEFER_SHIFT) COMPACT_MAX_DEFER_SHIFT 58 include/linux/compaction.h zone->compact_defer_shift = COMPACT_MAX_DEFER_SHIFT; COMPACT_MAX_DEFER_SHIFT 98 include/linux/compaction.h return zone->compact_defer_shift == COMPACT_MAX_DEFER_SHIFT &&