diff --git a/libc/kernel/uapi/linux/raid/md_p.h b/libc/kernel/uapi/linux/raid/md_p.h
index 0bc6756..4ad444a 100644
--- a/libc/kernel/uapi/linux/raid/md_p.h
+++ b/libc/kernel/uapi/linux/raid/md_p.h
@@ -182,7 +182,8 @@
 #define MD_FEATURE_JOURNAL 512
 #define MD_FEATURE_PPL 1024
 #define MD_FEATURE_MULTIPLE_PPLS 2048
-#define MD_FEATURE_ALL (MD_FEATURE_BITMAP_OFFSET | MD_FEATURE_RECOVERY_OFFSET | MD_FEATURE_RESHAPE_ACTIVE | MD_FEATURE_BAD_BLOCKS | MD_FEATURE_REPLACEMENT | MD_FEATURE_RESHAPE_BACKWARDS | MD_FEATURE_NEW_OFFSET | MD_FEATURE_RECOVERY_BITMAP | MD_FEATURE_CLUSTERED | MD_FEATURE_JOURNAL | MD_FEATURE_PPL | MD_FEATURE_MULTIPLE_PPLS)
+#define MD_FEATURE_RAID0_LAYOUT 4096
+#define MD_FEATURE_ALL (MD_FEATURE_BITMAP_OFFSET | MD_FEATURE_RECOVERY_OFFSET | MD_FEATURE_RESHAPE_ACTIVE | MD_FEATURE_BAD_BLOCKS | MD_FEATURE_REPLACEMENT | MD_FEATURE_RESHAPE_BACKWARDS | MD_FEATURE_NEW_OFFSET | MD_FEATURE_RECOVERY_BITMAP | MD_FEATURE_CLUSTERED | MD_FEATURE_JOURNAL | MD_FEATURE_PPL | MD_FEATURE_MULTIPLE_PPLS | MD_FEATURE_RAID0_LAYOUT)
 struct r5l_payload_header {
   __le16 type;
   __le16 flags;