diff --git a/libc/kernel/uapi/linux/fanotify.h b/libc/kernel/uapi/linux/fanotify.h
index 6249292..f4e2a2e 100644
--- a/libc/kernel/uapi/linux/fanotify.h
+++ b/libc/kernel/uapi/linux/fanotify.h
@@ -67,6 +67,7 @@
 #define FAN_MARK_IGNORED_MASK 0x00000020
 #define FAN_MARK_IGNORED_SURV_MODIFY 0x00000040
 #define FAN_MARK_FLUSH 0x00000080
+#define FAN_MARK_EVICTABLE 0x00000200
 #define FAN_MARK_INODE 0x00000000
 #define FAN_MARK_MOUNT 0x00000010
 #define FAN_MARK_FILESYSTEM 0x00000100