On Tue, 18 Feb 2020, Michal Hocko wrote: > Anyway, I do not think it is expected that kmalloc_node just blows up > on those nodes. The page allocator simply falls back to the closest > node. Something for kmalloc maintainers I believe.
That is the case for an unconstrained allocation. kmalloc_node means that you want memory from that node. And If there is no such node then it is an error. > A short summary. kmalloc_node blows up when trying to allocate from a > memory less node. Use kmalloc instead? And set a memory allocation policy?
