diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 5267432..b13d644 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -102,7 +102,7 @@
 #define INSTALL_NOTIFY_HANDLER		1
 #define UNINSTALL_NOTIFY_HANDLER	2
 
-static struct file_operations acpi_processor_info_fops = {
+static const struct file_operations acpi_processor_info_fops = {
 	.open = acpi_processor_info_open_fs,
 	.read = seq_read,
 	.llseek = seq_lseek,