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. Cheers, Longman
