Re: [mm][RFC][PATCH 0/11] mm accessor updates.

KAMEZAWA Hiroyuki
2009-12-16T10:36:25Z

On Wed, 16 Dec 2009 19:31:40 +0900
Minchan Kim <minchan.kim@gmail.com> wrote:

> On Wed, Dec 16, 2009 at 7:28 PM, Andi Kleen <andi@firstfloor.org> wrote:
> >> > Also the patches didn't fare too well in testing unfortunately.
> >> >
> >> > I suspect we'll rather need multiple locks split per address
> >> > space range.
> >>
> >> This set doesn't include any changes of the logic. Just replace all mmap_sem.
> >> I think this is good start point (for introducing another logic etc..)
> >
> > The problem is that for range locking simple wrapping the locks
> > in macros is not enough. You need more changes.
>
> I agree.
>
> We can't justify to merge as only this patch series although this
> doesn't change
> any behavior.
>

> After we see the further works, let us discuss this patch's value.
>
Ok, I'll show new version of speculative page fault.

> Nitpick:
> In case of big patch series, it would be better to provide separate
> all-at-once patch
> with convenience for easy patch and testing. :)
>
Sure, keep it in my mind.

Thanks,
-Kame