Re: Solving the last piece of the uvm_pageqlock problem

[Joerg Sonnenberger <joerg%bec.de@localhost>]

On Tue, Dec 24, 2019 at 10:08:01PM +0000, Andrew Doran wrote:
> This is a diff against a tree containing the allocator patch I posted
> previously:
> 
> 	http://www.netbsd.org/~ad/2019/pdpol.diff

I wanted to give this a spin before travelling, but it doesn't survive
very long here. I get NULL pointer derefs in
uvmpdpol_pageactivate_locked, coming from uvmpdpool_pageintent_realize.
That's within seconds of the scan phase of a bulk build.

Joerg