MADV_WILLNEED      49 mm/madvise.c   	case MADV_WILLNEED:
MADV_WILLNEED     940 mm/madvise.c   	case MADV_WILLNEED:
MADV_WILLNEED     964 mm/madvise.c   	case MADV_WILLNEED:
MADV_WILLNEED     792 tools/testing/selftests/x86/protection_keys.c 	ret = madvise(ptr, HPAGE_SIZE, MADV_WILLNEED);