Re: [PATCH] [11/19] HWPOISON: Refactor truncate to allow direct truncating of page v2

Nick Piggin
2009-08-05T14:44:06Z

On Wed, Aug 05, 2009 at 04:41:12PM +0200, Andi Kleen wrote:
> > One question I had for the others (Andrew? other mm guys?) what is the
> > feelings of merging this feature? Leaving aside exact implementation
> > and just considering the high level design and cost/benefit. Last time
> > there were some people objecting, so I wonder the situation now? So
> > does anybody need more convincing? :)
>
> The main objection last time was that it was a bit too late in the
> release schedule.
>
> I can't remember anyone really questioning the basic feature itself.

I can't exactly remember. Maybe it was in a thread with Alan and/or
Arjan ;) I don't think the feature itself was questioned as much as
cost/benefit. Maybe I was wrong...

I just want to see everyone is happy with the basic idea ;)

> > Also I will just cc linux-arch. It would be interesting to know whether
> > powerpc, ia64, or s390 or others would be interested to use this feature?
>
> ia64 is interested (but no code so far) I talked to DaveM and he seems to be
> interested for sparc too. I would expect other server architectures to
> eventually use it as they get around to writing the necessary architecture
> specific glue.