forbid_idle 923 arch/x86/kernel/apm_32.c if (apm_info.forbid_idle) forbid_idle 1988 arch/x86/kernel/apm_32.c if (apm_info.forbid_idle == 0) { forbid_idle 1989 arch/x86/kernel/apm_32.c apm_info.forbid_idle = 1; forbid_idle 32 include/linux/apm_bios.h int forbid_idle;