On 04/20/2018 03:16 AM, Thomas Gleixner wrote: >> pageattr.c is not friendly when it encounters empty (zero) PTEs. The >> kernel linear map is exempt from these checks, but kernel text is not. >> This patch adds the code to also exempt kernel text from these checks. > Bah. Changelogs should tell the WHY and not the WHAT > >> The proximate cause of these warnings was most likely an __init area >> that spanned a 2MB page boundary that resulted in a "zero" PMD. > This doesn't make any sense at all. I've rewritten these changelogs and added some more fixes for this set. I'll be sending it shortly.