This was initially sent in responses to Hugh's woes [1] but looks like the timing was unfortunate for the patches to be picked. So here's a consolidated resent. Patch 1 is for an older bug that Hugh found when dealing with the mmotm bugs, Patches 2 and 3 are mmotm fixes. This doesn't address the problem 1) in Hugh's mail, which Michal Hocko also hit recently and reminded me to check these patches' status: > 1. Fix crash in release_pages() from compact_zone() from kcompactd_do_work(): > kcompactd needs to INIT_LIST_HEAD on the new freepages_held list. This one should be addressed by dropping the following from mmotm from now: mm-compaction-direct-freepage-allocation-for-async-direct-compaction.patch As there were objections from Joonsoo and Mel that I would like to try addressing before posting again. [1] http://marc.info/?i=alpine.LSU.2.11.1604120005350.1832%40eggly.anvils Hugh Dickins (2): mm, cma: prevent nr_isolated_* counters from going negative mm, compaction: prevent nr_isolated_* from going negative Vlastimil Babka (1): mm, compaction: fix crash in get_pfnblock_flags_mask() from isolate_freepages(): mm/compaction.c | 21 +++++++-------------- 1 file changed, 7 insertions(+), 14 deletions(-) -- 2.8.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>