On 2018/12/12 8:19, Jens Axboe wrote: > On 12/11/18 3:55 PM, Damien Le Moal wrote: >> On 2018/12/11 22:44, Jens Axboe wrote: >>> On 12/11/18 5:08 AM, Shin'ichiro Kawasaki wrote: >>>> null_blk_zoned creation fails if the number of zones specified is equal to or is >>>> smaller than 64 due to a memory allocation failure in blk_alloc_zones(). With >>>> such a small number of zones, the required memory size for all zones descriptors >>>> fits in a single page, and the page order for alloc_pages_node() is zero. Allow >>>> this value in blk_alloc_zones() for the allocation to succeed. >>> >>> Looks good to me, this looks like 4.20 material. >> >> Yes, this is a fix for commit bf5054569653 "block: Introduce >> blk_revalidate_disk_zones()" that was included in 4.20 merge window. > > If only the patch already had a Fixes tag! Yes, sorry about that. I told Shinichiro to not forget adding it. > Queued up for 4.20. Thank you. -- Damien Le Moal Western Digital Research
