man/io_uring_register: make note of huge page pinning
@@ -55,7 +55,9 @@ or
with the
.B MAP_ANONYMOUS
flag set. It is expected that this limitation will be lifted in the
-future.
+future. Huge pages are supported as well. Note that the entire huge
+page will be pinned in the kernel, even if only a portion of it is
+used.
After a successful call, the supplied buffers are mapped into the
kernel and eligible for I/O. To make use of them, the application
