On Thu, Mar 20, 2025 at 09:58:47AM -0600, Keith Busch wrote: > I allocate out of hugetlbfs to reliably send direct IO at this size > because the nvme driver's segment count is limited to 128. It also works pretty well for buffered I/O for file systems supporting larger folios. I can trivially create 1MB folios in the page cache on XFS and then do I/O on them.
