Messages in this thread | | | Date | Fri, 11 Mar 2011 10:45:22 -0800 | From | Yinghai Lu <> | Subject | Re: [PATCH x86/mm UPDATED] x86-64, NUMA: Fix distance table handling |
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On 03/11/2011 10:29 AM, Tejun Heo wrote: > On Fri, Mar 11, 2011 at 10:25:23AM -0800, Yinghai Lu wrote: >> now even emulation have that distance array. >> >> why keep it simple to make all path have that array? > > Okay, I don't know, maybe, but I don't think it's gonna buy much. We > need boundary check in the distance testing function anyway in case > someone calls in with out-of-bound nid's and not having distance table > is just a degenerate case of the generic sanity check, so there really > isn't much to be gained by allocating dummy table.
for out-of-bound nid access, looks like should generate BUG_ON for it ?
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