diff --git a/gnu/packages/aux-files/linux-libre/4.20-arm.conf b/gnu/packages/aux-files/linux-libre/4.20-arm.conf
index 309e832844..514a6d4748 100644
--- a/gnu/packages/aux-files/linux-libre/4.20-arm.conf
+++ b/gnu/packages/aux-files/linux-libre/4.20-arm.conf
@@ -94,7 +94,8 @@ CONFIG_TASKSTATS=y
 CONFIG_TASK_DELAY_ACCT=y
 CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
-# CONFIG_PSI is not set
+CONFIG_PSI=y
+# CONFIG_PSI_DEFAULT_DISABLED is not set
 CONFIG_CPU_ISOLATION=y
 
 #
diff --git a/gnu/packages/aux-files/linux-libre/4.20-arm64.conf b/gnu/packages/aux-files/linux-libre/4.20-arm64.conf
index 9a756c16e5..9e71cadf0c 100644
--- a/gnu/packages/aux-files/linux-libre/4.20-arm64.conf
+++ b/gnu/packages/aux-files/linux-libre/4.20-arm64.conf
@@ -86,7 +86,8 @@ CONFIG_TASKSTATS=y
 CONFIG_TASK_DELAY_ACCT=y
 CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
-# CONFIG_PSI is not set
+CONFIG_PSI=y
+# CONFIG_PSI_DEFAULT_DISABLED is not set
 CONFIG_CPU_ISOLATION=y
 
 #
diff --git a/gnu/packages/aux-files/linux-libre/4.20-i686.conf b/gnu/packages/aux-files/linux-libre/4.20-i686.conf
index 930ea6ddd7..c3ed028442 100644
--- a/gnu/packages/aux-files/linux-libre/4.20-i686.conf
+++ b/gnu/packages/aux-files/linux-libre/4.20-i686.conf
@@ -99,7 +99,8 @@ CONFIG_TASKSTATS=y
 CONFIG_TASK_DELAY_ACCT=y
 CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
-# CONFIG_PSI is not set
+CONFIG_PSI=y
+# CONFIG_PSI_DEFAULT_DISABLED is not set
 CONFIG_CPU_ISOLATION=y
 
 #
diff --git a/gnu/packages/aux-files/linux-libre/4.20-x86_64.conf b/gnu/packages/aux-files/linux-libre/4.20-x86_64.conf
index d9ea8ebb59..4918e6bdf2 100644
--- a/gnu/packages/aux-files/linux-libre/4.20-x86_64.conf
+++ b/gnu/packages/aux-files/linux-libre/4.20-x86_64.conf
@@ -101,7 +101,8 @@ CONFIG_TASKSTATS=y
 CONFIG_TASK_DELAY_ACCT=y
 CONFIG_TASK_XACCT=y
 CONFIG_TASK_IO_ACCOUNTING=y
-# CONFIG_PSI is not set
+CONFIG_PSI=y
+# CONFIG_PSI_DEFAULT_DISABLED is not set
 CONFIG_CPU_ISOLATION=y
 
 #