Re: Non-GPL export of invalidate_mmap_range

Christoph Hellwig
2004-02-18T21:10:35Z

On Wed, Feb 18, 2004 at 06:00:21AM -0800, Paul E. McKenney wrote:
> There is a small shim layer required, but the bulk of the code
> implementing GPFS is common between AIX and Linux. It was on AIX
> first by quite a few years.

Small glue layer? Unfortunately ibm took it off the website, but
the thing is damn huge.

> > it only uses "core unix" apis ?
>
> If they are made available, yes. That is the point of this patch,
> after all. ;-)

No, that's wrong. It patches the syscall table and plays evilish
tricks with lowlevel MM code.

> > It doesn't require knowledge of deep and changing internals ? *buzz*
>
> That is indeed the idea.

The one on the ibm website a little ago did. You're free to upload
a new one that clearly doesn't need all this, but..