diff --git a/gnu/packages/linux-libre-i686.conf b/gnu/packages/linux-libre-i686.conf
index 0bda70ef485b39f43512c3438d8986330c6a60b1..0b66cc0e7c6c23297fd316b56d68977cda399339 100644
--- a/gnu/packages/linux-libre-i686.conf
+++ b/gnu/packages/linux-libre-i686.conf
@@ -3523,7 +3523,7 @@ CONFIG_N_HDLC=m
 CONFIG_N_GSM=m
 CONFIG_TRACE_ROUTER=m
 CONFIG_TRACE_SINK=m
-# CONFIG_DEVMEM is not set
+CONFIG_DEVMEM=y
 # CONFIG_DEVKMEM is not set
 
 #
diff --git a/gnu/packages/linux-libre-x86_64.conf b/gnu/packages/linux-libre-x86_64.conf
index 90ea29a71e2a560c83c718e6467e558c4f0a766d..04cf66ea72ad51f033005a51663d7b121ba21d76 100644
--- a/gnu/packages/linux-libre-x86_64.conf
+++ b/gnu/packages/linux-libre-x86_64.conf
@@ -3418,7 +3418,7 @@ CONFIG_N_HDLC=m
 CONFIG_N_GSM=m
 CONFIG_TRACE_ROUTER=m
 CONFIG_TRACE_SINK=m
-# CONFIG_DEVMEM is not set
+CONFIG_DEVMEM=y
 # CONFIG_DEVKMEM is not set
 
 #