PAGE_FLAGS        337 include/linux/page-flags.h #define PAGE_FLAGS_CLEAR_WHEN_BAD (PAGE_FLAGS | 1 << PG_reclaim | 1 << PG_dirty)
PAGE_FLAGS        343 include/linux/page-flags.h #define PAGE_FLAGS_CHECK_AT_FREE (PAGE_FLAGS | 1 << PG_reserved)
PAGE_FLAGS        350 include/linux/page-flags.h #define PAGE_FLAGS_CHECK_AT_PREP (PAGE_FLAGS | 1 << PG_reserved | 1 << PG_dirty)