mm/memory-failure: remove obsolete comment in unpoison_memory()
Since commit 130d4df5 ("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.comSigned-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>
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