diff options
| author | Miaohe Lin <linmiaohe@huawei.com> | 2024-06-12 15:18:31 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-03 19:30:11 -0700 |
| commit | 28eab7d4e7b4fefed7122d49eb8148c623540739 (patch) | |
| tree | 518ff0f00fd8130fb3c4e6de21a2b4b83d2b4ada /mm/memory-failure.c | |
| parent | 96e13a4ea2ba720619f220bead2864dcf913b173 (diff) | |
mm/memory-failure: remove obsolete comment in unpoison_memory()
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>
Diffstat (limited to 'mm/memory-failure.c')
| -rw-r--r-- | mm/memory-failure.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index bd3ab367ba2f..bb8e79381c1f 100644 --- a/mm/memory-failure.c +++ b/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); |