Messages in this thread |  | | | Date | Sat, 9 Jun 2012 19:19:13 -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 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>
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