Hello, Christoph. On Thu, Dec 04, 2014 at 02:28:10PM -0600, Christoph Lameter wrote: > Well this is not a common use case and that is not what the per cpu > allocator was designed for. There is bound to be signifcant fragmentation > with the current design. The design was for rare allocations when > structures are initialized.
My unverified gut feeling is that fragmentation prolly is a lot less of a problem for percpu allocator given that most percpu allocations are fairly small. On the other hand, we do wanna pack them tight as percpu memory is really expensive space-wise. I could be wrong tho. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
