On Mon, Jul 11, 2022 at 06:53:52PM -0700, Darrick J. Wong wrote: > On a freshly built djwong-dev kernel, it's now 976 bytes: > > 976 bytes > Order Pagebytes Slack Objs Slack/Objs > 0 4096 192 4 48 > 1 8192 384 8 48 > 2 16384 768 16 48 > 3 32768 560 33 17 > 4 65536 144 67 2 Yes, we're getting at a point where the xfs_inode size starts to really hurt. It's all the small incrementally and very useful changes like this series or the in-memory unlinked inode list from Dave that keep growing it. I have no really good answer here except that I'd need to dust off some of my project to reduze the size by removing fields that we don't strictly need.