| Message ID | 20240524091310.1430048-10-linmiaohe@huawei.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Some cleanups for memory-failure | expand |
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@huawei.com> > --- > 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@redhat.com>
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);
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@huawei.com> --- mm/memory-failure.c | 4 ---- 1 file changed, 4 deletions(-)