personality.2: Note kernel and glibc versions that introduced this system call

Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/personality.2 b/man2/personality.2
index d5e33647c0bd68265468aeff27efde95cf3fc741..f41a3391d68705fc7a1b0f690b0be49b1f4d5f2f 100644 (file)
--- a/man2/personality.2
+++ b/man2/personality.2
@@ -70,6 +70,11 @@ is set appropriately.
 .TP
 .B EINVAL
 The kernel was unable to change the personality.
+.SH VERSIONS
+This system call first appeared in Linux 1.1.20;
+library support was added in glibc 2.3.
+.\" personality wrapper first appeared in glibc 1.90,
+.\" <sys/personality.h> was added later in 2.2.91.
 .SH CONFORMING TO
 .BR personality ()
 is Linux-specific and should not be used in programs intended to