>I don't think such babysitting should be done, I don't think such
>gratuitous change should be done. I'd go as far as saying that
>this change is broken. Let's discuss this change on tech-userlevel.

	then what should happen if
		x = calloc(0x10000000, 17);
	on 32bit arch?  it sure will cause integer overflow.
	the commit will make it return NULL (allocation failure).

itojun