* Peter Zijlstra (a.p.zijls...@chello.nl) wrote: > On Wed, 2011-11-30 at 21:52 +0530, Dipankar Sarma wrote: > > > > Also, if at all topology changes due to migration or host kernel decisions, > > we can make use of something like VPHN (virtual processor home node) > > capability on Power systems to have guest kernel update its topology > > knowledge. You can refer to that in > > arch/powerpc/mm/numa.c. > > I think that fail^Wfeature of PPC is terminally broken. You simply > cannot change the topology after the fact.
Agreed, there's too many things that consult topology once and never look back.
