Re: Non-GPL export of invalidate_mmap_range

[Paul E. McKenney]

On Thu, Feb 19, 2004 at 10:11:32AM +0100, David Weinehall wrote:
> On Wed, Feb 18, 2004 at 02:51:32PM -0800, Andrew Morton wrote:
> > Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:
> > >
> > > I don't understand why IBM is pushing this dubious change right now,
> > 
> > It isn't a dubious change, on technical grounds.  It is reasonable for a
> > distributed filesystem to want to be able to shoot down pte's which map
> > sections of pagecache.  Just as it is reasonable for the filesystem to be
> > able to shoot down the pagecache itself.
> > 
> > We've exported much lower-level stuff than this, because some in-kernel
> > module happened to use it.
> 
> Probably not always the right choice, though...  I highly suspect we
> far to much of our intestines are easily available.

Again, the whole point of the patch is to -reduce- the degree of
intestinal export.

						Thanx, Paul
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