On Mon, Aug 11, 2025 Joanne Koong <joannelkoong@xxxxxxxxx> wrote: >> >> Large folios are only enabled if the writeback cache isn't on. >> (Strictlimiting needs to be turned off if the writeback cache is used in >> conjunction with large folios, else this tanks performance.) > > Some ideas for having this work with the writeback cache are > a) add a fuse sysctl sysadmins can set to turn off strictlimiting for > all fuse servers mounted after, in the kernel turn on large folios for > writeback if that sysctl is on > b) if the fuse server is privileged automatically turn off > strictlimiting and enable large folios for writeback > > Any thoughts? Should large folios be enabled based on mount options? Consider adding an option in fuse_init_out to explicitly turn on large folios. Thanks Chunsheng Luo