On Thu, Aug 31, 2023 at 09:57:46AM +0200, David Hildenbrand wrote: > As raised in another mail, we can then discuss > * how we want to call this feature (transparent large pages? there is > the concern that "THP" might confuse users. Maybe we can consider > "large" the more generic version and "huge" only PMD-size, TBD) > * how to expose it in stats towards the user (e.g., /proc/meminfo) > * which minimal toggles we want > > I think there *really* has to be a way to disable it for a running system, > otherwise no distro will dare pulling it in, even after we figured out the > other stuff. > > Note that for the pagecache, large folios can be disabled and distributions > are actively making use of that. You can't. Well, you can for shmem/tmpfs, but you have to edit the source code or disable CONFIG_TRANSPARENT_HUGEPAGE to disable it for XFS.
