On 17/10/2018 11:33, Oscar Salvador wrote: >>> /* >>> * For device private memory we call add_pages() as we only need to >>> * allocate and initialize struct page for the device memory. More- >>> @@ -1096,20 +1100,17 @@ static int hmm_devmem_pages_create(struct hmm_devmem *devmem) >>> * want the linear mapping and thus use arch_add_memory(). >>> */ >> >> Some parts of this comment should be moved into add_device_memory now. >> (e.g. we call add_pages() ...) > > I agree. > >>> +#ifdef CONFIG_ZONE_DEVICE >>> +int del_device_memory(int nid, unsigned long start, unsigned long size, >>> + struct vmem_altmap *altmap, bool mapping) >>> +{ >>> + int ret; >> >> nit: personally I prefer short parameters last in the list. > > I do not have a strong opinion here. > If people think that long parameters should be placed at the end because > it improves readability, I am ok with moving them there. > >> Can you document for both functions that they should be called with the >> memory hotplug lock in write? > > Sure, I will do that in the next version, once I get some more feedback. > >> Apart from that looks good to me. > > Thanks for reviewing it David ;-)! > May I assume your Reviewed-by here (if the above comments are addressed)? Here you go ;) Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> I'm planning to look into the other patches as well, but I'll be busy with traveling and KVM forum the next 1.5 weeks. Cheers! -- Thanks, David / dhildenb