On Sat, 2009-01-24 at 09:36 +0200, Pekka Enberg wrote: > > > On Fri, 2009-01-23 at 10:22 -0500, Christoph Lameter wrote: > > > >> No there is another way. Increase the allocator order to 3 for the > > > >> kmalloc-8192 slab then multiple 8k blocks can be allocated from one of the > > > >> larger chunks of data gotten from the page allocator. That will allow slub > > > >> to do fast allocs. > > > > > > On Sat, Jan 24, 2009 at 4:55 AM, Zhang, Yanmin > > > <yanmin_zhang@xxxxxxxxxxxxxxx> wrote: > > > > After I change kmalloc-8192/order to 3, the result(pinned netperf UDP-U-4k) > > > > difference between SLUB and SLQB becomes 1% which can be considered as fluctuation. > > > > > > Great. We should fix calculate_order() to be order 3 for kmalloc-8192. > > > Are you interested in doing that? On Thu, 2009-02-12 at 13:22 +0800, Zhang, Yanmin wrote: > > Pekka, > > > > Sorry for the late update. > > The default order of kmalloc-8192 on 2*4 stoakley is really an issue of calculate_order. On Thu, 2009-02-12 at 13:47 +0800, Zhang, Yanmin wrote: > Oh, previous patch has a compiling warning. Pls. use below patch. > > From: Zhang Yanmin <yanmin.zhang@xxxxxxxxxxxxxxx> > > The default order of kmalloc-8192 on 2*4 stoakley is an issue of calculate_order. Applied to the 'topic/slub/perf' branch. Thanks! Pekka -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
