The patch titled
Subject: mm: memory-failure: add PageOffline() check
has been added to the -mm mm-hotfixes-unstable branch. Its filename is
mm-memory-failure-add-pageoffline-check.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memory-failure-add-pageoffline-check.patch
This patch will later appear in the mm-hotfixes-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm: memory-failure: add PageOffline() check
Date: Thu, 27 Jul 2023 19:56:43 +0800
Memory failure is not interested in logically offlined page. Skip this
type of pages.
Link: https://lkml.kernel.org/r/20230727115643.639741-5-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Acked-by: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Cc: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory-failure.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/mm/memory-failure.c~mm-memory-failure-add-pageoffline-check
+++ a/mm/memory-failure.c
@@ -1558,7 +1558,7 @@ static bool hwpoison_user_mappings(struc
* Here we are interested only in user-mapped pages, so skip any
* other types of pages.
*/
- if (PageReserved(p) || PageSlab(p) || PageTable(p))
+ if (PageReserved(p) || PageSlab(p) || PageTable(p) || PageOffline(p))
return true;
if (!(PageLRU(hpage) || PageHuge(p)))
return true;
@@ -2499,7 +2499,8 @@ int unpoison_memory(unsigned long pfn)
goto unlock_mutex;
}
- if (folio_test_slab(folio) || PageTable(&folio->page) || folio_test_reserved(folio))
+ if (folio_test_slab(folio) || PageTable(&folio->page) ||
+ folio_test_reserved(folio) || PageOffline(&folio->page))
goto unlock_mutex;
/*
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-swapfile-fix-wrong-swap-entry-type-for-hwpoisoned-swapcache-page.patch
mm-memory-failure-fix-potential-unexpected-return-value-from-unpoison_memory.patch
mm-memory-failure-avoid-false-hwpoison-page-mapped-error-info.patch
mm-memory-failure-add-pageoffline-check.patch
mm-mm_initc-update-obsolete-comment-in-get_pfn_range_for_nid.patch
mm-memory-failure-fix-unexpected-return-value-in-soft_offline_page.patch
mm-memory-failure-fix-potential-page-refcnt-leak-in-memory_failure.patch
mm-memory-failure-remove-unneeded-page-state-check-in-shake_page.patch
memory-tier-use-helper-function-destroy_memory_type.patch
mm-memory-failure-remove-unneeded-inline-annotation.patch
mm-mm_initc-remove-obsolete-macro-hash_small.patch
mm-page_alloc-avoid-false-page-outside-zone-error-info.patch
memory-tier-rename-destroy_memory_type-to-put_memory_type.patch
mm-remove-obsolete-comment-above-struct-per_cpu_pages.patch
mm-memcg-minor-cleanup-for-mem_cgroup_id_max.patch
mm-memory-failure-remove-unneeded-pagehuge-check.patch
mm-memory-failure-ensure-moving-hwpoison-flag-to-the-raw-error-pages.patch
mm-memory-failure-dont-account-hwpoison_filter-filtered-pages.patch
mm-memory-failure-use-local-variable-huge-to-check-hugetlb-page.patch
mm-memory-failure-remove-unneeded-header-files.patch
mm-memory-failure-minor-cleanup-for-comments-and-codestyle.patch
mm-memory-failure-fetch-compound-head-after-extra-page-refcnt-is-held.patch
mm-memory-failure-fix-race-window-when-trying-to-get-hugetlb-folio.patch
mm-huge_memory-use-rmap_none-when-calling-page_add_anon_rmap.patch
mm-memcg-fix-obsolete-comment-above-mem_cgroup_max_reclaim_loops.patch
mm-memcg-minor-cleanup-for-mc_handle_present_pte.patch
memory-tier-use-helper-macro-__attr_rw.patch
mm-fix-obsolete-function-name-above-debug_pagealloc_enabled_static.patch
mm-mprotect-fix-obsolete-function-name-in-change_pte_range.patch
mm-memcg-fix-obsolete-function-name-in-mem_cgroup_protection.patch
