From: Mark Wooding <mdw@distorted.org.uk>
Date: Tue, 4 Aug 2020 20:49:46 +0000 (+0100)
Subject: dot/profile: Set a memory limit so leaky programs don't case swapdeath.
X-Git-Url: https://git.distorted.org.uk/~mdw/profile/commitdiff_plain/3f180a8a15444bf6b683fd9e4aeb728bf33d0ca0

dot/profile: Set a memory limit so leaky programs don't case swapdeath.
---

diff --git a/dot/profile b/dot/profile
index baa996d..fd50a46 100644
--- a/dot/profile
+++ b/dot/profile
@@ -109,6 +109,12 @@ done
 ###--------------------------------------------------------------------------
 ### Some other preliminaries.
 
+## Set a per-process memory limit.  It's much less common for a process to
+## need a lot of memory for a legitimate reason than for it to be a memory
+## leak or some other bug that's going to cause swap death for no good
+## reason.
+ulimit -Sv $(mdw-conf memory-limit 4194304)
+
 ## Establish a temporary directory.
 case ${TMPDIR+t} in
   t) ;;