diff --git a/WHATS_NEW b/WHATS_NEW
index e5f1ba184..b497c7eb9 100644
--- a/WHATS_NEW
+++ b/WHATS_NEW
@@ -1,5 +1,6 @@
 Version 2.02.169 - 
 =====================================
+  Add extra memory page when limiting pthread stack size in clvmd.
   Support striped/raid0* <-> raid10_near conversions
   Support shrinking of RaidLvs
   Support region size changes on existing RaidLVs
diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index 47f647a6a..f11b28c7b 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
 Version 1.02.138 - 
 =====================================
+  Add extra memory page when limiting pthread stack size in dmeventd.
   Avoids immediate resume when preloaded device is smaller.
   Do not suppress kernel key description in dmsetup table output.
   Support configurable command executed from dmeventd thin plugin.
diff --git a/daemons/clvmd/clvmd.c b/daemons/clvmd/clvmd.c
index a276c63eb..dcc986ba6 100644
--- a/daemons/clvmd/clvmd.c
+++ b/daemons/clvmd/clvmd.c
@@ -517,7 +517,7 @@ int main(int argc, char *argv[])
 	/* Initialise the LVM thread variables */
 	dm_list_init(&lvm_cmd_head);
 	if (pthread_attr_init(&stack_attr) ||
-	    pthread_attr_setstacksize(&stack_attr, STACK_SIZE)) {
+	    pthread_attr_setstacksize(&stack_attr, STACK_SIZE + getpagesize())) {
 		log_sys_error("pthread_attr_init", "");
 		exit(1);
 	}
diff --git a/daemons/dmeventd/dmeventd.c b/daemons/dmeventd/dmeventd.c
index 58922ac84..a2883a1ff 100644
--- a/daemons/dmeventd/dmeventd.c
+++ b/daemons/dmeventd/dmeventd.c
@@ -468,7 +468,7 @@ static int _pthread_create_smallstack(pthread_t *t, void *(*fun)(void *), void *
 	/*
 	 * We use a smaller stack since it gets preallocated in its entirety
 	 */
-	pthread_attr_setstacksize(&attr, THREAD_STACK_SIZE);
+	pthread_attr_setstacksize(&attr, THREAD_STACK_SIZE + getpagesize());
 
 	/*
 	 * If no-one will be waiting, we need to detach.
diff --git a/libdaemon/server/daemon-server.c b/libdaemon/server/daemon-server.c
index 6af6de99b..10cc8f747 100644
--- a/libdaemon/server/daemon-server.c
+++ b/libdaemon/server/daemon-server.c
@@ -42,7 +42,7 @@ static int _pthread_create(pthread_t *t, void *(*fun)(void *), void *arg, int st
 	/*
 	 * We use a smaller stack since it gets preallocated in its entirety
 	 */
-	pthread_attr_setstacksize(&attr, stacksize);
+	pthread_attr_setstacksize(&attr, stacksize + getpagesize());
 	return pthread_create(t, &attr, fun, arg);
 }
 #endif