On Wed, 2019-07-31 at 14:08 +0200, Michal Hocko wrote: > On Tue 02-07-19 18:52:01, Rashmica Gupta wrote: > [...] > > > 2) Why it was designed, what is the goal of the interface? > > > 3) When it is supposed to be used? > > > > > > > > There is a hardware debugging facility (htm) on some power chips. > > To use > > this you need a contiguous portion of memory for the output to be > > dumped > > to - and we obviously don't want this memory to be simultaneously > > used by > > the kernel. > > How much memory are we talking about here? Just curious. >From what I've seen a couple of GB per node, so maybe 2-10GB total.
