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Message-Id: <20221007010706.2916472-1-naoya.horiguchi@linux.dev>
Date: Fri, 7 Oct 2022 10:07:02 +0900
From: Naoya Horiguchi <naoya.horiguchi@...ux.dev>
To: linux-mm@...ck.org
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Miaohe Lin <linmiaohe@...wei.com>,
David Hildenbrand <david@...hat.com>,
Mike Kravetz <mike.kravetz@...cle.com>,
Yang Shi <shy828301@...il.com>,
Oscar Salvador <osalvador@...e.de>,
Muchun Song <songmuchun@...edance.com>,
Jane Chu <jane.chu@...cle.com>,
Naoya Horiguchi <naoya.horiguchi@....com>,
linux-kernel@...r.kernel.org
Subject: [PATCH v6 0/4] mm, hwpoison: improve handling workload related to hugetlb and memory_hotplug
Hi,
This patchset tries to solve the issue among memory_hotplug, hugetlb and hwpoison.
In this patchset, memory hotplug handles hwpoison pages like below:
- hwpoison pages should not prevent memory hotremove,
- memory block with hwpoison pages should not be onlined.
Changes in this version:
- applied comments for previous versions (thank you, reviewers),
- fixed a few build errors (sorry for making noises on linux-next),
- unpoison_memory() properly cancels per-memblk hwpoison counter,
- rebased onto akpm/mm-unstable on Oct 4.
Thanks,
Naoya Horiguchi
v1: https://lore.kernel.org/linux-mm/20220427042841.678351-1-naoya.horiguchi@linux.dev/T
v2: https://lore.kernel.org/linux-mm/20220905062137.1455537-1-naoya.horiguchi@linux.dev/T
v3-5: https://lore.kernel.org/linux-mm/20220921091359.25889-1-naoya.horiguchi@linux.dev/T
---
Summary:
Naoya Horiguchi (4):
mm,hwpoison,hugetlb,memory_hotplug: hotremove memory section with hwpoisoned hugepage
mm/hwpoison: move definitions of num_poisoned_pages_* to memory-failure.c
mm/hwpoison: pass pfn to num_poisoned_pages_*()
mm/hwpoison: introduce per-memory_block hwpoison counter
arch/parisc/kernel/pdt.c | 5 ++--
drivers/base/memory.c | 40 +++++++++++++++++++++++++++
include/linux/hugetlb.h | 10 ++++---
include/linux/memory.h | 3 ++
include/linux/mm.h | 29 ++++++++++++++++++--
include/linux/swapops.h | 24 ++--------------
mm/hugetlb.c | 9 +++---
mm/internal.h | 8 ------
mm/memory-failure.c | 71 +++++++++++++++++++++++++++---------------------
mm/sparse.c | 2 --
10 files changed, 125 insertions(+), 76 deletions(-)
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