old_protected 19 mm/page_counter.c unsigned long protected, old_protected; old_protected 31 mm/page_counter.c old_protected = atomic_long_xchg(&c->min_usage, protected); old_protected 32 mm/page_counter.c delta = protected - old_protected; old_protected 43 mm/page_counter.c old_protected = atomic_long_xchg(&c->low_usage, protected); old_protected 44 mm/page_counter.c delta = protected - old_protected;