taglinefilesource code
lock_depth76include/asm-i386/system.hcurrent->lock_depth=syscall_count; \
lock_depth77include/asm-i386/system.hkernel_counter+=next->lock_depth-current->lock_depth; \
lock_depth78include/asm-i386/system.hsyscall_count=next->lock_depth; \
lock_depth235include/linux/sched.hint lock_depth;    /* Lock depth. We can context switch in and out of holding a syscall kernel lock... */  
lock_depth246kernel/fork.cp->lock_depth = 1;