dapei 749 drivers/acpi/apei/apei-base.c static struct dentry *dapei; dapei 751 drivers/acpi/apei/apei-base.c if (!dapei) dapei 752 drivers/acpi/apei/apei-base.c dapei = debugfs_create_dir("apei", NULL); dapei 754 drivers/acpi/apei/apei-base.c return dapei;