It is sure confusing that linux/ptrace.h has:
	#define PTRACE_SINGLESTEP	   9
	#define PTRACE_ATTACH		0x10
	#define PTRACE_DETACH		0x11
	#define PTRACE_SYSCALL		  24
All the low-numbered constants are in decimal, but the last two in hex.
It sure makes it likely that someone will look at this and think that
9, 10, 11 are used, and that 16 and 17 are not used.

How about we use the same notation for all the numbers [0,24] in the
same short list?

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>