Hi Permenides.... On Wed, Aug 8, 2012 at 9:22 PM, Parmenides <mobile.parmenides@xxxxxxxxx> wrote: > Hi Mulyadi, > > Thanks for your reply. In principle, the physical memory > management model can be used for both UMA and NUMA, because we can > view UMA as a special case of NUMA. agree... :) >But, in kernel code, there is some > points like > > #ifdef CONFIG_NUMA > ....... > > So, I wonder there must be some differences between UMA and NUMA. maybe this page can explain much much better than me: http://mytechkorner.blogspot.com/2010/12/sparsemem.html not sure, but it seems that sparsemem indeed targetting to handle NUMA. And also memory hotplug...maybe that is the "hole" you refer to. -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
