On Wed, 2019-10-23 at 11:01 -0400, Waiman Long wrote: > On 10/23/19 10:48 AM, Qian Cai wrote: > > > > this still isn't a bulletproof fix. Maybe just terminate the list > > > > walk if freecount reaches 1024. Would anyone really care? > > > > > > > > Sigh. I wonder if anyone really uses this thing for anything > > > > important. Can we just remove it all? > > > > > > > > > > Removing it will be a breakage of kernel API. > > > > Who cares about breaking this part of the API that essentially nobody will use > > this file? > > > > There are certainly tools that use /proc/pagetypeinfo and this is how > the problem is found. I am not against removing it, but we have to be > careful and deprecate it in way that minimize user impact. What are those tools?
