James Bottomley wrote: > On Tue, 2007-02-27 at 09:21 -0800, Jeremy Fitzhardinge wrote: > >> You mean add the two stubs to asm-generic/mmu_context.h, and then >> include that in all these files? That would be cleaner, but it >> wouldn't >> remove the need to touch all these files, would it? >> > > it would if you added asm-generic/mmu_context_paravirt.h > include/asm-generic isn't in the compile include path; its contents are only ever used if they're explicitly included by some other asm/ header. I seem to remember there was some debate about this, but I don't really understand the rationale for the current arrangement; it makes sense to me to have asm-generic as a set of fallback default includes. > and only included that in the main kernel files that need the three > operations (that's just fork.c and mmap.c, isn't it)? > Yeah, it's really only two operations. activate_mm happens in arch code anyway, so there's no need to make a fuss about it. J