PCPU_EMPTY_POP_PAGES_HIGH 1886 mm/percpu.c nr_to_pop = PCPU_EMPTY_POP_PAGES_HIGH; PCPU_EMPTY_POP_PAGES_HIGH 1890 mm/percpu.c nr_to_pop = clamp(PCPU_EMPTY_POP_PAGES_HIGH - PCPU_EMPTY_POP_PAGES_HIGH 1892 mm/percpu.c 0, PCPU_EMPTY_POP_PAGES_HIGH);