On Fri, 13 Apr 2018 16:38:59 +0800 Wei Yang <richard.weiyang@xxxxxxxxx> wrote: > Highmem's realsize always equals to freesize, so it is not necessary to > spare a variable to record this. Agreed. The code seems a bit more fragile after this alteration, but I guess the onus is on us, as always, to not screw it up later on. hm..