diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index b9b45c43f810..8851a518ad1b 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -3538,6 +3538,12 @@
 	panic_on_warn	panic() instead of WARN().  Useful to cause kdump
 			on a WARN().
 
+	pelt=		[KNL] Boot-time parameter changing the PELT half life in ms
+			Format: <int>
+			32: Set the half life to 32ms
+			8: Set the half life to 8ms
+			default: 32
+
 	crash_kexec_post_notifiers
 			Run kdump after running panic-notifiers and dumping
 			kmsg. This only for the users who doubt kdump always
diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c
index c6cc21b9110b..9505957ecc92 100644
--- a/kernel/sched/pelt.c
+++ b/kernel/sched/pelt.c
@@ -28,6 +28,42 @@
 #include "sched.h"
 #include "pelt.h"
 
+int pelt_load_avg_period = PELT32_LOAD_AVG_PERIOD;
+int pelt_load_avg_max = PELT32_LOAD_AVG_MAX;
+u32 *pelt_runnable_avg_yN_inv = pelt32_runnable_avg_yN_inv;
+
+static int __init set_pelt(char *str)
+{
+	int rc, num;
+
+	rc = kstrtoint(str, 0, &num);
+	if (rc) {
+		pr_err("%s: kstrtoint failed. rc=%d\n", __func__, rc);
+		return 0;
+	}
+
+	switch (num) {
+	case PELT8_LOAD_AVG_PERIOD:
+		pelt_load_avg_period = PELT8_LOAD_AVG_PERIOD;
+		pelt_load_avg_max = PELT8_LOAD_AVG_MAX;
+		pelt_runnable_avg_yN_inv = pelt8_runnable_avg_yN_inv;
+		pr_info("PELT half life is set to %dms\n", num);
+		break;
+	case PELT32_LOAD_AVG_PERIOD:
+		pelt_load_avg_period = PELT32_LOAD_AVG_PERIOD;
+		pelt_load_avg_max = PELT32_LOAD_AVG_MAX;
+		pelt_runnable_avg_yN_inv = pelt32_runnable_avg_yN_inv;
+		pr_info("PELT half life is set to %dms\n", num);
+		break;
+	default:
+		pr_err("Default PELT half life is 32ms\n");
+	}
+
+	return 0;
+}
+
+early_param("pelt", set_pelt);
+
 /*
  * Approximate:
  *   val * y^n,    where y^32 ~= 0.5 (~1 scheduling period)
@@ -54,7 +90,7 @@ static u64 decay_load(u64 val, u64 n)
 		local_n %= LOAD_AVG_PERIOD;
 	}
 
-	val = mul_u64_u32_shr(val, runnable_avg_yN_inv[local_n], 32);
+	val = mul_u64_u32_shr(val, pelt_runnable_avg_yN_inv[local_n], 32);
 	return val;
 }
 
diff --git a/kernel/sched/sched-pelt.h b/kernel/sched/sched-pelt.h
index c529706bed11..d90250336cfd 100644
--- a/kernel/sched/sched-pelt.h
+++ b/kernel/sched/sched-pelt.h
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /* Generated by Documentation/scheduler/sched-pelt; do not modify. */
 
-static const u32 runnable_avg_yN_inv[] __maybe_unused = {
+static u32 pelt32_runnable_avg_yN_inv[] = {
 	0xffffffff, 0xfa83b2da, 0xf5257d14, 0xefe4b99a, 0xeac0c6e6, 0xe5b906e6,
 	0xe0ccdeeb, 0xdbfbb796, 0xd744fcc9, 0xd2a81d91, 0xce248c14, 0xc9b9bd85,
 	0xc5672a10, 0xc12c4cc9, 0xbd08a39e, 0xb8fbaf46, 0xb504f333, 0xb123f581,
@@ -10,5 +10,20 @@ static const u32 runnable_avg_yN_inv[] __maybe_unused = {
 	0x85aac367, 0x82cd8698,
 };
 
-#define LOAD_AVG_PERIOD 32
-#define LOAD_AVG_MAX 47742
+#define PELT32_LOAD_AVG_PERIOD 32
+#define PELT32_LOAD_AVG_MAX 47742
+
+static u32 pelt8_runnable_avg_yN_inv[] = {
+	0xffffffff, 0xeac0c6e6, 0xd744fcc9, 0xc5672a10,
+	0xb504f333, 0xa5fed6a9, 0x9837f050, 0x8b95c1e3,
+};
+
+#define PELT8_LOAD_AVG_PERIOD 8
+#define PELT8_LOAD_AVG_MAX 12336
+
+extern u32 *pelt_runnable_avg_yN_inv;
+extern int pelt_load_avg_period;
+extern int pelt_load_avg_max;
+
+#define LOAD_AVG_PERIOD pelt_load_avg_period
+#define LOAD_AVG_MAX pelt_load_avg_max