On Wed, Aug 14, 2013 at 2:52 PM, Seth Jennings <sjenn...@linux.vnet.ibm.com> wrote: > On Wed, Aug 14, 2013 at 02:37:26PM -0700, Yinghai Lu wrote:
> If I am understanding you correctly, you are suggesting we make the block size > a boot time tunable. It can't be a runtime tunable since the memory blocks > are > currently created a boot time. yes. If could make it to be tunable at run-time, could be much better. > > On ppc64, we can't just just choose a memory block size since it must align > with the underlying LMB (logical memory block) size, set in the hardware ahead > of time. assume for x86_64, it now support 46bits physical address. so if we change to 2G, then big system will only need create (1<<15) aka 32k entries in /sys at most. Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
