On Sat, 2010-11-27 at 14:27 -0500, Tom Lane wrote:
> This is discouraging; it certainly doesn't make me want to expend the
> effort to develop a production patch.
Perhaps.
Why do this only for shared memory? Surely the majority of memory
accesses are to private memory, so being able to allocate private memory
in a single huge page would be better for avoiding TLB cache misses.
--
Simon Riggs http://www.2ndQuadrant.com/books/
PostgreSQL Development, 24x7 Support, Training and Services