PG_reserved 196 fs/proc/page.c u |= kpf_copy_bit(k, KPF_RESERVED, PG_reserved); PG_reserved 828 include/linux/page-flags.h 1UL << PG_writeback | 1UL << PG_reserved | \ PG_reserved 95 include/trace/events/mmflags.h {1UL << PG_reserved, "reserved" }, \ PG_reserved 833 mm/memory-failure.c #define reserved (1UL << PG_reserved)