Paul Jackson <[email protected]> wrote:
>
> + if (unlikely(cpuset_mem_spread_check() &&
> + (cachep->flags & SLAB_MEM_SPREAD) &&
> + !in_interrupt())) {
> + int nid = cpuset_mem_spread_node();
> +
> + if (nid != numa_node_id())
> + return __cache_alloc_node(cachep, flags, nid);
> + }
Need a comment here explaining the mysterious !in_interrupt() check.
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