On Sat, Apr 14, 2018 at 07:13:07AM -0700, Matthew Wilcox wrote: > From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> > > Since the XArray is embedded in the struct address_space, this contains > exactly as much entropy as the address of the mapping. I agree that they both have the same amount of entropy, but what's the benefit? It doesn't seem like this changes any behavior, fixes any bugs or makes things any simpler?