[kernel-xen] Maximum number of CPUs set into 16 (CONFIG_NR_CPUS=16) ?

[Yuriy Kohut]

Hi,

What is the reason to set the maximum number of CPUs into 16 ?

The latest kernel-xen-3.7.4-1.el6xen.src.rpm package includes the config with:
# grep -r CONFIG_NR_CPUS rpmbuild
rpmbuild/SOURCES/config-3.7.x86_64:CONFIG_NR_CPUS=16

While there is 64 CPU allowed in the default x86_64 config on kernel.org):

http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=blob_plain;f=arch/x86/configs/x86_64_defconfig;hb=8a69ca20f06d1878aa0ee8000a60d8226ab6b6a1

Thanks in advance for reply.
---
Yura

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