ci_doubleflt_stack 518 arch/i386/i386/cpu.c ci->ci_doubleflt_stack = (char *)uvm_km_alloc(kernel_map, USPACE); ci_doubleflt_stack 519 arch/i386/i386/cpu.c cpu_init_tss(&ci->ci_doubleflt_tss, ci->ci_doubleflt_stack,