On Tue, Jan 25, 2005 at 04:37:46PM -0500, Havoc Pennington wrote: > > Maybe its telling you something about evolution > > Evolution does alloc a lot of memory (especially with as much mail as I > have!) but it's well under 200M on a 512M system with swap, so ... ;-) Memory or address space. The overcommit is basically ensuring you don't exceed Swap + 50%RAM of virtual address space allocated.