On 6/21/2013 11:50 AM, Greg KH wrote: > On Fri, Jun 21, 2013 at 11:44:22AM -0700, Yinghai Lu wrote: >> On Fri, Jun 21, 2013 at 10:03 AM, H. Peter Anvin <hpa@xxxxxxxxx> wrote: >>> On 06/21/2013 09:51 AM, Greg KH wrote: >>> >>> I suspect the cutoff for this should be a lot lower than 8 TB even, more >>> like 128 GB or so. The only concern is to not set the cutoff so low >>> that we can end up running out of memory or with suboptimal NUMA >>> placement just because of this. >> >> I would suggest another way: >> only boot the system with boot node (include cpu, ram and pci root buses). >> then after boot, could add other nodes. > > What exactly do you mean by "after boot"? Often, the boot process of > userspace needs those additional cpus and ram in order to initialize > everything (like the pci devices) properly. Exactly. That's why I left both low and high memory on each node. > > thanks, > > greg k-h > -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
