Messages in this thread |  | | Date | Fri, 1 Dec 2000 20:14:44 +0100 | From | Andrea Arcangeli <> | Subject | Re: mm->context[NR_CPUS] and pci fix check [was Re: Alpha SCSI error on 2.4.0-test11] |
| |
On Fri, Dec 01, 2000 at 10:19:44AM -0800, David S. Miller wrote: > I'm still left the #ifdef __alpha__ around the context[NR_CPUS] to > avoid breakage of other archs but that should be probably removed: > any CPU with per-CPU ASNs like alpha needs per-CPU per-MM context > information to avoid wasting ASNs when the task migrate CPU or with > threads. > > I would instead suggest to declare 'context' to be of an arch-specific > defined type, much like "thread_struct" is.
I agree, really that should been the case since the first place because the 4 bytes of context are just a waste for x86* :). I mainly wanted to make sure other archs was doing the right thing too.
> For example, I don't need NR_CPUS contexts in the mm_struct on > sparc64, my allocation just works differently, so I shouldn't eat > all the space.
I think at least mips wants to use per-mm per-cpu context too btw.
Andrea - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
|  |