On Wed, Dec 22, 2021 at 06:40:46PM +0800, Baoquan He wrote: > Any thought or plan for those callsites in other places? Possibly we can > skip those s390 related drivers since s390 only has DMA zone, no DMA32, > it should be OK. Yes, this needs a bit of an audit. A lot of them might be best handled by the subsysem maintainers, e.g. for crypto media and sound. > And could you please also add me to CC when send out these patches? We > have this problem in our RHEL8 which is based on kernel4.18, if finally > removing dma-kmalloc(), we need back port these driver fixes too. If > not paying attention, these patches may scatter in different > sub-components and unnoticable. I already sent them out yesterday. Just look for everything with GFP_DMA in the subject line in the current scsi tree for 5.17.