On 24.05.24 11:13, Miaohe Lin wrote:
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. Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> --- mm/memory-failure.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 19d338e83e43..e4252f297d41 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -2610,10 +2610,6 @@ 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);
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> -- Cheers, David / dhildenb
