Messages in this thread | | | Date | Fri, 18 Jul 2014 08:40:38 -0400 | From | Jason Cooper <> | Subject | Re: [RFC Patch V1 21/30] mm, irqchip: Use cpu_to_mem()/numa_mem_id() to support memoryless node |
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On Fri, Jul 11, 2014 at 03:37:38PM +0800, Jiang Liu wrote: > When CONFIG_HAVE_MEMORYLESS_NODES is enabled, cpu_to_node()/numa_node_id() > may return a node without memory, and later cause system failure/panic > when calling kmalloc_node() and friends with returned node id. > So use cpu_to_mem()/numa_mem_id() instead to get the nearest node with > memory for the/current cpu. > > If CONFIG_HAVE_MEMORYLESS_NODES is disabled, cpu_to_mem()/numa_mem_id() > is the same as cpu_to_node()/numa_node_id(). > > Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> > --- > drivers/irqchip/irq-clps711x.c | 2 +- > drivers/irqchip/irq-gic.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-)
Do you have anything depending on this? Can apply it to irqchip? If you need to keep it with other changes,
Acked-by: Jason Cooper <jason@lakedaemon.net>
But please do let me know if I can take it.
thx,
Jason.
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