From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Date: Wed, 2 Mar 2011 11:48:03 -0800 > Well, the thing is, on architectures that _can_ pass by value, it > avoids one indirection. > > And if you do pass it on stack, then the code generated will be the > same as if we passed a pointer. So sparc may not be able to take > advantage of the optimization, but I don't think the code generation > would be worse. That's a good point, the situation here is different than the page table one. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>