On Thu, Mar 26, 2015 at 07:31:03PM +0200, Boaz Harrosh wrote: > But I hope you are not ignoring my real problem. any two memmap= ranges > will halt the boot. Specially if they are dis-contiguous. not the case here, verified it in various cofigurations. > Also I need the contiguous variant split into two devices because > they might belong to two NUMA nodes. It is very hard to manage > if a NUMA crossing is in a middle of a single pmemX device > The way we like to configure it is that each /dev/pmem belongs to > a single NUMA node. And in a multy device setup each CPU node > allocates from "his" pmem device If there is space. > (And it lets me set application affinity if need to) The hack below ensures two separate type 12 entries stay separate, but I'm not sure I really want this. so far it seems like very special hacks for your very specialized fake-pmem config. > BTW: Will device mapper let me call ->direct_access() Right now it doesn't, but it's not hard to add.. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html