What will happen if HugePage is set but sysclt parameter vm.hugetlb_shm_group is not set ?

Solution Verified - Updated -

Issue

  • We have set the HugePage from the kernel parameter and enable it from the application but vm.hugetlb_shm_group is not set.
  • What will happen if the HugePages is set but sysclt parameter vm.hugetlb_shm_group is not set?
  • How do HugesPages works then?

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • vm.hugetlb_shm_group

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