man/io_uring_enter.2: clarify -EAGAIN handling
@@ -341,7 +341,9 @@ is set appropriately.
.SH ERRORS
.TP
.B EAGAIN
-The kernel was unable to allocate memory for the request.
+The kernel was unable to allocate memory for the request, or otherwise ran out
+of resources to handle it. The application should wait for some completions and
+try again.
.TP
.B EBADF
The
