On Fri, 5 Jan 2024 at 12:32, Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > I can't tell from the description whether there are going to be a lot of > these. If there are, it might make sense to create a slab cache for > them rather than get them from the general-purpose kmalloc caches. I suspect it's a "count on the fingers of your hand" thing, and having a slab cache would be more overhead than you'd ever win. Linus