Naoya, this has passed Mike's review (thanks for that!), you have mentioned that you can pass this through your testing machinery earlier. While I've done some testing already I would really appreciate if you could do that as well. Review would be highly appreciated as well. Thanks! On Mon 04-12-17 15:01:12, Michal Hocko wrote: > Hi, > this is a follow up for [1] for the allocation API and [2] for the > hugetlb migration. It wasn't really easy to split those into two > separate patch series as they share some code. > > My primary motivation to touch this code is to make the gigantic pages > migration working. The giga pages allocation code is just too fragile > and hacked into the hugetlb code now. This series tries to move giga > pages closer to the first class citizen. We are not there yet but having > 5 patches is quite a lot already and it will already make the code much > easier to follow. I will come with other changes on top after this sees > some review. > > The first two patches should be trivial to review. The third patch > changes the way how we migrate huge pages. Newly allocated pages are a > subject of the overcommit check and they participate surplus accounting > which is quite unfortunate as the changelog explains. This patch doesn't > change anything wrt. giga pages. > Patch #4 removes the surplus accounting hack from > __alloc_surplus_huge_page. I hope I didn't miss anything there and a > deeper review is really due there. > Patch #5 finally unifies allocation paths and giga pages shouldn't be > any special anymore. There is also some renaming going on as well. > > Shortlog > Michal Hocko (5): > mm, hugetlb: unify core page allocation accounting and initialization > mm, hugetlb: integrate giga hugetlb more naturally to the allocation path > mm, hugetlb: do not rely on overcommit limit during migration > mm, hugetlb: get rid of surplus page accounting tricks > mm, hugetlb: further simplify hugetlb allocation API > > Diffstat: > include/linux/hugetlb.h | 3 + > mm/hugetlb.c | 305 +++++++++++++++++++++++++++--------------------- > mm/migrate.c | 3 +- > 3 files changed, 175 insertions(+), 136 deletions(-) > > > [1] http://lkml.kernel.org/r/20170622193034.28972-1-mhocko@xxxxxxxxxx > [2] http://lkml.kernel.org/r/20171122152832.iayefrlxbugphorp@xxxxxxxxxxxxxx > > -- > 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> -- Michal Hocko SUSE Labs -- 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>
