Usermode portion of the support for swap allocation accounting:

- update for getrlimit(2) manpage;
- support for setting RLIMIT_SWAP in login class;
- addition to the limits(1) and sh and csh limit-setting builtins;
- tuning(7) documentation on the sysctls controlling overcommit.

In collaboration with:	pho
Reviewed by:	alc
Approved by:	re (kensmith)

2 files changed, 7 insertions, 0 deletions

diff --git a/contrib/tcsh/sh.func.c b/contrib/tcsh/sh.func.c
index 92e2447f3851..f3a1fb04f2f1 100644
--- a/contrib/tcsh/sh.func.c
+++ b/contrib/tcsh/sh.func.c
@@ -1796,6 +1796,10 @@ struct limits limits[] =
     { RLIMIT_SBSIZE,	"sbsize",	1,	""		},
 # endif /* RLIMIT_SBSIZE */
 
+# ifdef RLIMIT_SWAP
+    { RLIMIT_SWAP,	"swaplimit",	1024,	"kbytes"	},
+# endif /* RLIMIT_SWAP */
+
     { -1, 		NULL, 		0, 	NULL		}
 };
 
diff --git a/contrib/tcsh/tcsh.man b/contrib/tcsh/tcsh.man
index 0c9c3b6a10af..ac0de18a227e 100644
--- a/contrib/tcsh/tcsh.man
+++ b/contrib/tcsh/tcsh.man
@@ -2921,6 +2921,9 @@ the maximum number of simultaneous processes for this user id
 .TP
 \fIsbsize\fR
 the maximum size of socket buffer usage for this user
+.TP
+\fIswaplimit\fR
+the maximum amount of swap space reserved or used for this user
 .PP
 \fImaximum-use\fR may be given as a (floating point or
 integer) number followed by a scale factor.  For all limits