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

From: William Lee Irwin III (wli@holomorphy.com)
Date: Sun Feb 23 2003 - 17:10:30 EST


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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sun Feb 23 2003 - 22:00:40 EST