On Thu, Nov 23, 2023 at 11:16:08AM +0100, Petr Tesařík wrote: > > To sum it up, there are two types of alignment: > > > > 1. specified by a device's min_align_mask; this says how many low > > bits of a buffer's physical address must be preserved, > > > > 2. specified by allocation size and/or the alignment parameter; > > this says how many low bits in the first IO TLB slot's physical > > address must be zero. Both are correct.
