On Fri, Sep 15, 2023 at 08:48:43PM +0100, Matthew Wilcox wrote: > On Fri, Sep 15, 2023 at 08:38:32PM +0200, Pankaj Raghav wrote: > > From: Luis Chamberlain <mcgrof@xxxxxxxxxx> > > > > Align the index to the mapping_min_order number of pages while setting > > the XA_STATE and xas_set_order(). > > Not sure why this one's necessary either. The index should already be > aligned to folio_order. Oh, it was not obvious, would a VM_BUG_ON_FOLIO() be OK then? > Some bits of it are clearly needed, like checking that folio_order() >= > min_order. Thanks, Luis