[merged mm-stable] mm-memory-failure-remove-obsolete-comment-in-unpoison_memory.patch removed from -mm tree

[merged mm-stable] mm-memory-failure-remove-obsolete-comment-in-unpoison_memory.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/memory-failure: remove obsolete comment in unpoison_memory()
has been removed from the -mm tree.  Its filename was
     mm-memory-failure-remove-obsolete-comment-in-unpoison_memory.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: mm/memory-failure: remove obsolete comment in unpoison_memory()
Date: Wed, 12 Jun 2024 15:18:31 +0800

Since commit 130d4df57390 ("mm/sl[au]b: rearrange struct slab fields to
allow larger rcu_head"), folio->_mapcount is not overloaded with SLAB. 
Update corresponding comment.

Link: https://lkml.kernel.org/r/20240612071835.157004-10-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Borislav Petkov (AMD) <bp@alien8.de>
Cc: kernel test robot <lkp@intel.com>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memory-failure.c |    4 ----
 1 file changed, 4 deletions(-)

--- a/mm/memory-failure.c~mm-memory-failure-remove-obsolete-comment-in-unpoison_memory
+++ a/mm/memory-failure.c
@@ -2584,10 +2584,6 @@ int unpoison_memory(unsigned long pfn)
 	    folio_test_reserved(folio) || folio_test_offline(folio))
 		goto unlock_mutex;
 
-	/*
-	 * Note that folio->_mapcount is overloaded in SLAB, so the simple test
-	 * in folio_mapped() has to be done after folio_test_slab() is checked.
-	 */
 	if (folio_mapped(folio)) {
 		unpoison_pr_info("Unpoison: Someone maps the hwpoison page %#lx\n",
 				 pfn, &unpoison_rs);
_

Patches currently in -mm which might be from linmiaohe@huawei.com are