diff --git a/man/systemd-system.conf.xml b/man/systemd-system.conf.xml
index 829b4be0ed..554d0fbd45 100644
--- a/man/systemd-system.conf.xml
+++ b/man/systemd-system.conf.xml
@@ -565,7 +565,7 @@
MemoryPressureWatch= and MemoryPressureThresholdSec=
settings. See
systemd.resource-control5
- for details. Defaults to auto and 100ms, respectively. This
+ for details. Defaults to auto and 200ms, respectively. This
also sets the memory pressure monitoring threshold for the service manager itself.
diff --git a/man/systemd.resource-control.xml b/man/systemd.resource-control.xml
index d18fd9a94c..21e4342165 100644
--- a/man/systemd.resource-control.xml
+++ b/man/systemd.resource-control.xml
@@ -1332,10 +1332,10 @@ DeviceAllow=/dev/loop-control
Sets the memory pressure threshold time for memory pressure monitor as configured via
MemoryPressureWatch=. Specifies the maximum allocation latency before a memory
- pressure event is signalled to the service, per 1s window. If not specified defaults to the
+ pressure event is signalled to the service, per 2s window. If not specified defaults to the
DefaultMemoryPressureThresholdSec= setting in
systemd-system.conf5
- (which in turn defaults to 100ms). The specified value expects a time unit such as
+ (which in turn defaults to 200ms). The specified value expects a time unit such as
ms or µs, see
systemd.time7 for
details on the permitted syntax.
diff --git a/src/basic/psi-util.h b/src/basic/psi-util.h
index 558a130996..bf8f4fe51c 100644
--- a/src/basic/psi-util.h
+++ b/src/basic/psi-util.h
@@ -31,5 +31,5 @@ int is_pressure_supported(void);
/* Default parameters for memory pressure watch logic in sd-event and PID 1 */
#define MEMORY_PRESSURE_DEFAULT_TYPE "some"
-#define MEMORY_PRESSURE_DEFAULT_THRESHOLD_USEC (100 * USEC_PER_MSEC)
-#define MEMORY_PRESSURE_DEFAULT_WINDOW_USEC USEC_PER_SEC
+#define MEMORY_PRESSURE_DEFAULT_THRESHOLD_USEC (200 * USEC_PER_MSEC)
+#define MEMORY_PRESSURE_DEFAULT_WINDOW_USEC (2 * USEC_PER_SEC)
diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c
index 413ac16aa2..f11f35ef6e 100644
--- a/src/libsystemd/sd-event/sd-event.c
+++ b/src/libsystemd/sd-event/sd-event.c
@@ -2005,7 +2005,9 @@ _public_ int sd_event_add_memory_pressure(
* some 100000 1000000
* full 100000 1000000
*
- * We'll default to the middle level that both agree on */
+ * We'll default to the middle level that both agree on. Except we do it on a 2s window
+ * (i.e. 200ms per 2s, rather than 100ms per 1s), because that's the window duration the
+ * kernel will allow us to do unprivileged, also in the future. */
if (asprintf((char**) &write_buffer,
"%s " USEC_FMT " " USEC_FMT,
MEMORY_PRESSURE_DEFAULT_TYPE,
diff --git a/test/units/testsuite-79.sh b/test/units/testsuite-79.sh
index b11923bc07..cced3205c5 100755
--- a/test/units/testsuite-79.sh
+++ b/test/units/testsuite-79.sh
@@ -43,7 +43,7 @@ test -w "$MEMORY_PRESSURE_WATCH"
ls -al "$MEMORY_PRESSURE_WATCH"
-EXPECTED="$(echo -n -e "some 123000 1000000\x00" | base64)"
+EXPECTED="$(echo -n -e "some 123000 2000000\x00" | base64)"
test "$EXPECTED" = "$MEMORY_PRESSURE_WRITE"