On Thu, Aug 15, 2019 at 03:40:21PM -0400, Jerome Glisse wrote: > On Thu, Aug 15, 2019 at 12:23:44PM -0700, Ralph Campbell wrote: > [...] > > > > I don't understand. The only use of "pfn" I see is in the "else" > > clause above where it is set just before using it. > > Ok i managed to confuse myself with mpfn and probably with old > version of the code. Sorry for reading too quickly. Can we move > unsigned long pfn; into the else { branch so that there is no > more confusion to its scope. Looks better, I will update v3. Thanks, Pingfan