Re: pte-highmem vs UKVA (was: object-based rmap and pte-highmem)

William Lee Irwin III
2003-02-23T22:01:22Z

On Sun, Feb 23, 2003 at 02:07:42PM -0800, Martin J. Bligh wrote:
> Using UKVA for PTEs seems to be a better way to implement pte-highmem to me.
> If you're walking another processes' pagetables, you just kmap them as now,
> but I think this will avoid most of the kmap'ing (if we have space for two
> sets of pagetables so we can do a little bit of trickery at fork time).

Another term for "UKVA for pagetables only" is "recursive pagetables",
if this helps clarify anything.

-- wli