vpa_dir 1995 arch/powerpc/platforms/pseries/lpar.c struct dentry *vpa_dir; vpa_dir 2000 arch/powerpc/platforms/pseries/lpar.c vpa_dir = debugfs_create_dir("vpa", powerpc_debugfs_root); vpa_dir 2001 arch/powerpc/platforms/pseries/lpar.c if (!vpa_dir) { vpa_dir 2012 arch/powerpc/platforms/pseries/lpar.c d = debugfs_create_file(name, 0400, vpa_dir, (void *)i,