[mm-unstable PATCH v5 0/8] mm, hwpoison: enable 1GB hugepage support (v5)
From: Naoya Horiguchi
Date: Fri Jul 08 2022 - 01:37:44 EST
Here is v5 of "enabling memory error handling on 1GB hugepage" patchset.
I applied feedbacks provided for v4, thank you very much.
Change overview (see changelog in individual patches for details):
- rebased onto mm-everything-2022-07-08-01-43.
- removed the patch "mm/hugetlb: separate path for hwpoison entry in
copy_hugetlb_page_range()" because it's separately handled and already
in mm-hotfixes.
- v1: https://lore.kernel.org/linux-mm/20220602050631.771414-1-naoya.horiguchi@xxxxxxxxx/T/#u
- v2: https://lore.kernel.org/linux-mm/20220623235153.2623702-1-naoya.horiguchi@xxxxxxxxx/T/#u
- v3: https://lore.kernel.org/linux-mm/20220630022755.3362349-1-naoya.horiguchi@xxxxxxxxx/T/#u
- v4: https://lore.kernel.org/linux-mm/20220704013312.2415700-1-naoya.horiguchi@xxxxxxxxx/T/#u
Thanks,
Naoya Horiguchi
---
Summary:
Naoya Horiguchi (8):
mm/hugetlb: check gigantic_page_runtime_supported() in return_unused_surplus_pages()
mm/hugetlb: make pud_huge() and follow_huge_pud() aware of non-present pud entry
mm, hwpoison, hugetlb: support saving mechanism of raw error pages
mm, hwpoison: make unpoison aware of raw error info in hwpoisoned hugepage
mm, hwpoison: set PG_hwpoison for busy hugetlb pages
mm, hwpoison: make __page_handle_poison returns int
mm, hwpoison: skip raw hwpoison page in freeing 1GB hugepage
mm, hwpoison: enable memory error handling on 1GB hugepage
arch/x86/mm/hugetlbpage.c | 8 ++-
include/linux/hugetlb.h | 18 ++++-
include/linux/mm.h | 2 +-
include/linux/swapops.h | 9 +++
include/ras/ras_event.h | 1 -
mm/hugetlb.c | 67 +++++++++++++++----
mm/memory-failure.c | 165 +++++++++++++++++++++++++++++++++++++---------
7 files changed, 222 insertions(+), 48 deletions(-)