Re: [PATCH] Physical Memory Management [0/1]

Peter Zijlstra
2009-05-15T11:03:52Z

On Fri, 2009-05-15 at 12:47 +0200, Michał Nazarewicz wrote:
> >> Correct me if I'm wrong, but if I understand correctly, currently only
> >> one size of huge page may be defined, even if underlaying architecture
>
> On Fri, 15 May 2009 12:18:11 +0200, Andi Kleen wrote:
> > That's not correct, support for multiple huge page sizes was recently
> > added. The interface is a bit clumpsy admittedly, but it's there.
>
> I'll have to look into that further then. Having said that, I cannot
> create a huge page SysV shared memory segment with pages of specified
> size, can I?

Well, hugetlbfs is a fs, so you can simply create a file on there and
map that shared -- much saner interface than sysvshm if you ask me.