On 09/25/23 15:22, Rik van Riel wrote: > On Mon, 2023-09-25 at 10:04 +0800, kernel test robot wrote: > > Hi, > > > > kernel test robot noticed the following build errors: > > > > [auto build test ERROR on akpm-mm/mm-everything] > > [also build test ERROR on linus/master v6.6-rc3 next-20230921] > > [If your patch is applied to the wrong git tree, kindly drop us a > > note. > > And when submitting patch, we suggest to use '--base' as documented > > in > > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > OK, so I have a fix for patch 3/3 that gets rid of the > compile error, but the libhugetlbfs test cases show that > patch 3/3 opens up a condition where resv_hugepages > underflows. > > I have not figured out the cause of that yet, but > patches 1 & 2 seem to survive all tests fine. In addition, I suspect patch 3 is going to cause a performance regression. It is taking me a little while to resurrect the test environment used when the hugetlb vma lock was introduced. My plan is to exercise the series in that environment. I should be able to review patches 1 & 2 later (my) today. -- Mike Kravetz
