On Wed, Apr 24, 2019 at 02:33:53PM +0300, Mike Rapoport wrote: > On Tue, Apr 23, 2019 at 12:13:54AM -0700, Christoph Hellwig wrote: > > On Sun, Apr 21, 2019 at 10:16:04PM +0100, Mel Gorman wrote: > > > 32-bit NUMA systems should be non-existent in practice. The last NUMA > > > system I'm aware of that was both NUMA and 32-bit only died somewhere > > > between 2004 and 2007. If someone is running a 64-bit capable system in > > > 32-bit mode with NUMA, they really are just punishing themselves for fun. > > > > Can we mark it as BROKEN to see if someone shouts and then remove it > > a year or two down the road? Or just kill it off now.. > > How about making SPARSEMEM default for x86-32? Sounds good. Another question: I always found the option to even select the memory models like a bad tradeoff. Can we really expect a user to make a sane choice? I'd rather stick to a relativelty optimal choice based on arch and maybe a few other parameters (NUMA or not for example) and stick to it, reducing the testing matrix.
