Messages in this thread | | | Date | Sat, 16 Jun 2012 18:11:36 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [PATCH v5] slab/mempolicy: always use local policy from interrupt context |
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On Sat, 9 Jun 2012, David Rientjes wrote:
> On Sat, 9 Jun 2012, David Mackey wrote: > > > diff --git a/mm/mempolicy.c b/mm/mempolicy.c > > index f15c1b2..cb0b230 100644 > > --- a/mm/mempolicy.c > > +++ b/mm/mempolicy.c > > @@ -1602,8 +1602,14 @@ static unsigned interleave_nodes(struct mempolicy *policy) > > * task can change it's policy. The system default policy requires no > > * such protection. > > */ > > -unsigned slab_node(struct mempolicy *policy) > > +unsigned slab_node(void) > > { > > + struct mempolicy *policy; > > + > > + if (in_interrupt()) > > + return numa_node_id(); > > + > > + policy = current->mempolicy; > > if (!policy || policy->flags & MPOL_F_LOCAL) > > return numa_node_id(); > > > > Should probably be numa_mem_id() in both these cases for > CONFIG_HAVE_MEMORYLESS_NODES, but it won't cause a problem in this form > either. > > Acked-by: David Rientjes <rientjes@google.com> >
Still missing from linux-next, who's going to pick this up?
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