The patch titled
Subject: mm/memory-failure: fix return wrong value when isolate page fail
has been added to the -mm tree. Its filename is
mmhwpoison-refactor-soft_offline_huge_page-and-__soft_offline_page-fix-2.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mmhwpoison-refactor-soft_offline_huge_page-and-__soft_offline_page-fix-2.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mmhwpoison-refactor-soft_offline_huge_page-and-__soft_offline_page-fix-2.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Subject: mm/memory-failure: fix return wrong value when isolate page fail
When we isolate page fail, we should not return 0, because we do not
set page HWPoison on any page.
Link: https://lore.kernel.org/lkml/20200811220643.GB39857@xxxxxx/
Link: http://lkml.kernel.org/r/20200830081053.64981-1-songmuchun@xxxxxxxxxxxxx
Signed-off-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Reported-by: Qian Cai <cai@xxxxxx>
Reviewed-by: Qian Cai <cai@xxxxxx>
Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Cc: Oscar Salvador <osalvador@xxxxxxx>
Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memory-failure.c | 1 +
1 file changed, 1 insertion(+)
--- a/mm/memory-failure.c~mmhwpoison-refactor-soft_offline_huge_page-and-__soft_offline_page-fix-2
+++ a/mm/memory-failure.c
@@ -1847,6 +1847,7 @@ static int __soft_offline_page(struct pa
} else {
pr_info("soft offline: %#lx: %s isolation failed: %d, page count %d, type %lx (%pGp)\n",
pfn, msg_page[huge], ret, page_count(page), page->flags, &page->flags);
+ ret = -EBUSY;
}
return ret;
}
_
Patches currently in -mm which might be from songmuchun@xxxxxxxxxxxxx are
mmhwpoison-refactor-soft_offline_huge_page-and-__soft_offline_page-fix-2.patch
