Re: [PATCH/RFC] Shared page tables

Andi Kleen
2006-01-24T01:11:58Z

On Tuesday 24 January 2006 01:51, Dave McCracken wrote:
> Most of the large OLTP applications use fixed address
> mapping for their large shared regions.

Really? That sounds like a quite bad idea because it can easily break
if something changes in the way virtual memory is laid out (which
has happened - e.g. movement to 4level page tables on x86-64 and now
randomized mmaps)

I don't think we should encourage such unportable behaviour.

-Andi