Messages in this thread | | | Subject | Re: [PATCH] i386: single node SPARSEMEM fix | From | Dave Hansen <> | Date | Wed, 07 Sep 2005 11:27:54 -0700 |
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On Wed, 2005-09-07 at 11:22 -0700, Martin J. Bligh wrote: > CONFIG_NUMA was meant to (and did at one point) support both NUMA and flat > machines. This is essential in order for the distros to support it - same > will go for sparsemem.
That's a different issue. The current code works if you boot a NUMA=y SPARSEMEM=y machine with a single node. The current Kconfig options also enforce that SPARSEMEM depends on NUMA on i386.
Magnus would like to enable SPARSEMEM=y while CONFIG_NUMA=n. That requires some Kconfig changes, as well as an extra memory present call. I'm questioning why we need to do that when we could never do DISCONTIG=y while NUMA=n on i386.
-- Dave
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