static inline void mm_fault_error()

in mm/fault.c [73:98]

• 20 lines of code
• 5 McCabe index (conditional complexity)

static inline void mm_fault_error(struct pt_regs *regs, unsigned long addr, vm_fault_t fault)
{
	current->thread.trap_no = trap_no(regs);

	if (fault & VM_FAULT_OOM) {
		/*
		 * We ran out of memory, call the OOM killer, and return the userspace
		 * (which will retry the fault, or kill us if we got oom-killed).
		 */
		if (!user_mode(regs)) {
			no_context(regs, addr);
			return;
		}
		pagefault_out_of_memory();
		return;
	} else if (fault & VM_FAULT_SIGBUS) {
		/* Kernel mode? Handle exceptions or die */
		if (!user_mode(regs)) {
			no_context(regs, addr);
			return;
		}
		do_trap(regs, SIGBUS, BUS_ADRERR, addr);
		return;
	}
	BUG();
}