memfd_create.2: Expand explanation of the EINVAL error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/memfd_create.2 b/man2/memfd_create.2
index 509377e7dfcedaaa3857074c2b7610f997e7e555..baef217430e29ca0f25dcadd533d51b2800a48ae 100644 (file)
--- a/man2/memfd_create.2
+++ b/man2/memfd_create.2
@@ -141,7 +141,11 @@ The address in
 points to invalid memory.
 .TP
 .B EINVAL
-An unsupported value was specified in one of the arguments.
+An unsupported value was specified in one of the arguments:
+.I flags
+included unknown bits, or
+.I name
+was too long.
 .TP
 .B EMFILE
 The per-process limit on open file descriptors has been reached.