This series makes hugetlb_optimize_vmemmap compatible with memmap_on_memory and is based on next-20220518. The reason refers to the patch 2's commit log. v2: - Fix compile error when !CONFIG_ZONE_DEVICE reported by kernel test robot. Muchun Song (2): mm: memory_hotplug: enumerate all supported section flags mm: memory_hotplug: introduce SECTION_CANNOT_OPTIMIZE_VMEMMAP Documentation/admin-guide/kernel-parameters.txt | 22 ++++---- Documentation/admin-guide/sysctl/vm.rst | 5 +- include/linux/kconfig.h | 1 + include/linux/memory_hotplug.h | 9 ---- include/linux/mmzone.h | 71 ++++++++++++++++++++++--- mm/hugetlb_vmemmap.c | 28 +++++++--- mm/memory_hotplug.c | 28 +++++----- mm/sparse.c | 8 +++ 8 files changed, 119 insertions(+), 53 deletions(-) -- 2.11.0
