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SubjectRe: [patch] x86: increase CONFIG_NODES_SHIFT max to 10

* David Rientjes <rientjes@google.com> wrote:

> Some larger systems require more than 512 nodes, so increase the maximum
> CONFIG_NODES_SHIFT to 10 for a new max of 1024 nodes.
>
> This was tested with numa=fake=64M on systems with more than 64GB of RAM. A
> total of 1022 nodes were initialized.
>
> Successfully builds with no additional warnings on x86_64 allyesconfig.

Not so here:

drivers/base/node.c:169: error: negative width in bit-field ?<anonymous>?

> Greg KH has queued up numa-fix-BUILD_BUG_ON-for-node_read_distance.patch
> for 2.6.35 to fix the build error when CONFIG_NODES_SHIFT is set to 10.
> See http://lkml.org/lkml/2010/3/10/390

erm. Alas I cannot merge it in the x86 tree without that fix being upstream.
Why for v2.6.35 - shouldnt that be v2.6.34?

Ingo


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