Comment 43 for bug 1294283

I have not reproduced this bug as I don't have and environment to do so. Maybe Jan Henke, the original bug reporter, can confirm your question in comment #42?

The Wily and Vivid test kernels I built only have the following commit cherry-picked per comment #34:

commit 4e4bd36f97b1492f19b3329ac74ed313da13de34
Author: Vitaly Kuznetsov <email address hidden>
Date: Fri May 29 11:18:02 2015 -0700

Looking at the patches you mentioned in comment #42, are the following two commits in mainline also needed to fix this bug?

commit 7ace99170789bc53cbb7e9e352d7a3851208fbcf
Author: Mel Gorman <email address hidden>
Date: Thu Aug 6 15:46:13 2015 -0700

    mm, meminit: allow early_pfn_to_nid to be used during runtime

commit e298ff75f133f2524bb6a9a305b17c5f6ff1a6b2
Author: Mel Gorman <email address hidden>
Date: Thu Aug 6 15:46:51 2015 -0700

    mm: initialize hotplugged pages as reserved

These last two commits were in mainline as of v4.2-rc6.