Re: [PATCH v6][RFC] Fix hugetlb pool allocation with empty nodes

[Nishanth Aravamudan <nacc@us.ibm.com>]

On 11.06.2007 [20:48:08 -0700], Christoph Lameter wrote:
> On Mon, 11 Jun 2007, Nishanth Aravamudan wrote:
> 
> > > Export a function for the interleave functionality so that we do not
> > > have to replicate the same thing in various locations in the kernel.
> > 
> > But I don't understand this at all.
> > 
> > This is *not* generically available, unless every caller has its own
> > private static variable. I don't know how to do that in C.
> 
> It is already there. Each task has a il_next field in its task struct
> for that purpose.

Hrm, maybe that will work -- but then it means that if one is
interleaving huge pages, it will interfere with the interleaving of
small pages. Given that right now, huge pages are a rather precious
commodity, do we want this?

> > You're asking me to complicate patches that work just fine right now.
> 
> I am trying to simplify your work.

Sorry, I wasn't trying to sound unappreciative. Your suggestions are
very valuable!

Thanks,
Nish

-- 
Nishanth Aravamudan <nacc@us.ibm.com>
IBM Linux Technology Center

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