[PATCH v2 0/8] Simplify hugetlb vmemmap and improve its readability

Muchun Song
2022-06-28T09:24:18Z

This series aims to simplify hugetlb vmemmap and improve its readability
and is based on next-20220627.

v2:
- Collect Reviewed-ed and Acked-by.
- Improve patch 6's log print.
- Add patch 7 to improve vmemmap_dedup.rst.
- Add patch 8 for cleanup.

Muchun Song (8):
mm: hugetlb_vmemmap: delete hugetlb_optimize_vmemmap_enabled()
mm: hugetlb_vmemmap: optimize vmemmap_optimize_mode handling
mm: hugetlb_vmemmap: introduce the name HVO
mm: hugetlb_vmemmap: move vmemmap code related to HugeTLB to
hugetlb_vmemmap.c
mm: hugetlb_vmemmap: replace early_param() with core_param()
mm: hugetlb_vmemmap: improve hugetlb_vmemmap code readability
mm: hugetlb_vmemmap: move code comments to vmemmap_dedup.rst
mm: hugetlb_vmemmap: use PTRS_PER_PTE instead of PMD_SIZE / PAGE_SIZE

Documentation/admin-guide/kernel-parameters.txt | 7 +-
Documentation/admin-guide/mm/hugetlbpage.rst | 4 +-
Documentation/admin-guide/mm/memory-hotplug.rst | 4 +-
Documentation/admin-guide/sysctl/vm.rst | 3 +-
Documentation/vm/vmemmap_dedup.rst | 72 ++-
arch/arm64/mm/flush.c | 13 +-
fs/Kconfig | 12 +-
include/linux/hugetlb.h | 7 +-
include/linux/mm.h | 7 -
include/linux/page-flags.h | 32 +-
include/linux/sysctl.h | 4 +
mm/hugetlb.c | 15 +-
mm/hugetlb_vmemmap.c | 589 ++++++++++++++++++------
mm/hugetlb_vmemmap.h | 45 +-
mm/sparse-vmemmap.c | 399 ----------------
15 files changed, 567 insertions(+), 646 deletions(-)

base-commit: aab35c3d5112df6e329a1a5a5a1881e5c4ca3821
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2.11.0