AS_UNEVICTABLE     42 include/linux/pagemap.h 	set_bit(AS_UNEVICTABLE, &mapping->flags);
AS_UNEVICTABLE     47 include/linux/pagemap.h 	clear_bit(AS_UNEVICTABLE, &mapping->flags);
AS_UNEVICTABLE     53 include/linux/pagemap.h 		return test_bit(AS_UNEVICTABLE, &mapping->flags);