Re: The performance and behaviour of the anti-fragmentation related patches

Bill Irwin
2007-03-02T21:13:39Z

On Fri, Mar 02, 2007 at 01:23:28PM -0500, Rik van Riel wrote:
> With 32 CPUs diving into the page reclaim simultaneously,
> each trying to scan a fraction of memory, this is disastrous
> for performance. A 256GB system should be even worse.

Thundering herds of a sort pounding the LRU locks from direct reclaim
have set off the NMI oopser for users here.

-- wli