On Tue, Apr 06, 2021 at 06:44:54PM -0700, Michel Lespinasse wrote: > Add a speculative field to the vm_operations_struct, which indicates if > the associated file type supports speculative faults. > > Initially this is set for files that implement fault() with filemap_fault(). Ugh, no. This goes away if you don't call ->fault speculatively.