+ mmhwpoison-send-sigbus-with-error-virutal-address-fix.patch added to -mm tree

+ mmhwpoison-send-sigbus-with-error-virutal-address-fix.patch added to -mm tree

[akpm]

The patch titled
     Subject: mmhwpoison-send-sigbus-with-error-virutal-address-fix
has been added to the -mm tree.  Its filename is
     mmhwpoison-send-sigbus-with-error-virutal-address-fix.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/mmhwpoison-send-sigbus-with-error-virutal-address-fix.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/mmhwpoison-send-sigbus-with-error-virutal-address-fix.patch

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The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Naoya Horiguchi <naoya.horiguchi@nec.com>
Subject: mmhwpoison-send-sigbus-with-error-virutal-address-fix

walk_page_range() got to return 1 when it found at least error virtual
address since v5, so this if-condition should be like this.

Link: https://lkml.kernel.org/r/20210603051055.GA244241@hori.linux.bs1.fc.nec.co.jp
Cc: Tony Luck <tony.luck@intel.com>
Cc: Aili Yao <yaoaili@kingsoft.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Jue Wang <juew@google.com>
Cc: Borislav Petkov <bp@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memory-failure.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/memory-failure.c~mmhwpoison-send-sigbus-with-error-virutal-address-fix
+++ a/mm/memory-failure.c
@@ -691,7 +691,7 @@ static int kill_accessing_process(struct
 	mmap_read_lock(p->mm);
 	ret = walk_page_range(p->mm, 0, TASK_SIZE, &hwp_walk_ops,
 			      (void *)&priv);
-	if (!ret && priv.tk.addr)
+	if (ret == 1 && priv.tk.addr)
 		kill_proc(&priv.tk, pfn, flags);
 	mmap_read_unlock(p->mm);
 	return ret ? -EFAULT : -EHWPOISON;
_

Patches currently in -mm which might be from naoya.horiguchi@nec.com are

hugetlb-pass-head-page-to-remove_hugetlb_page.patch
mmhwpoison-fix-race-with-hugetlb-page-allocation.patch
mmhwpoison-send-sigbus-with-error-virutal-address.patch
mmhwpoison-send-sigbus-with-error-virutal-address-fix.patch
mmhwpoison-make-get_hwpoison_page-call-get_any_page.patch