UPT_SI             18 arch/x86/um/asm/ptrace.h #define PT_REGS_SI(r) UPT_SI(&(r)->regs)
UPT_SI             18 arch/x86/um/shared/sysdep/ptrace_32.h #define UPT_SYSCALL_ARG4(r) UPT_SI(r)
UPT_SI             54 arch/x86/um/shared/sysdep/ptrace_64.h #define UPT_SYSCALL_ARG2(r) UPT_SI(r)