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From: David Hildenbrand <david@redhat.com>
To: Miaohe Lin <linmiaohe@huawei.com>,
	akpm@linux-foundation.org, tony.luck@intel.com, bp@alien8.de
Cc: nao.horiguchi@gmail.com, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org
Subject: Re: [PATCH 04/13] mm/memory-failure: save a page_folio() call
Date: Fri, 24 May 2024 17:06:11 +0200	[thread overview]
Message-ID: <65447480-f46f-4256-a093-f8232fb6ed84@redhat.com> (raw)
In-Reply-To: <20240524091310.1430048-5-linmiaohe@huawei.com>

On 24.05.24 11:13, Miaohe Lin wrote:
> Use local variable folio directly to save a page_folio() call.
> No functional change intended.
> 
> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
> ---
>   mm/memory-failure.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index b571aaf987a2..73878ecdec22 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -1658,7 +1658,7 @@ static bool hwpoison_user_mappings(struct folio *folio, struct page *p,
>   	unmap_success = !page_mapped(p);

We should be using folio_mapped() here.

>   	if (!unmap_success)
>   		pr_err("%#lx: failed to unmap page (folio mapcount=%d)\n",
> -		       pfn, folio_mapcount(page_folio(p)));
> +		       pfn, folio_mapcount(folio));

Reviewed-by: David Hildenbrand <david@redhat.com>

-- 
Cheers,

David / dhildenb



  reply	other threads:[~2024-05-24 15:06 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-24  9:12 [PATCH 00/13] Some cleanups for memory-failure Miaohe Lin
2024-05-24  9:12 ` [PATCH 01/13] mm/memory-failure: simplify put_ref_page() Miaohe Lin
2024-05-24  9:12 ` [PATCH 02/13] mm/memory-failure: remove MF_MSG_SLAB Miaohe Lin
2024-05-24  9:13 ` [PATCH 03/13] mm/memory-failure: add macro GET_PAGE_MAX_RETRY_NUM Miaohe Lin
2024-05-24  9:13 ` [PATCH 04/13] mm/memory-failure: save a page_folio() call Miaohe Lin
2024-05-24 15:06   ` David Hildenbrand [this message]
2024-05-25  1:34     ` Miaohe Lin
2024-05-24  9:13 ` [PATCH 05/13] mm/memory-failure: remove unneeded empty string Miaohe Lin
2024-05-24  9:13 ` [PATCH 06/13] mm/memory-failure: remove confusing initialization to count Miaohe Lin
2024-05-24  9:13 ` [PATCH 07/13] mm/memory-failure: remove unneeded hwpoison_filter() variant Miaohe Lin
2024-05-24 15:38   ` kernel test robot
2024-05-24 15:59   ` kernel test robot
2024-05-25  1:52     ` Miaohe Lin
2024-05-24  9:13 ` [PATCH 08/13] mm/memory-failure: use helper macro task_pid_nr() Miaohe Lin
2024-05-24  9:13 ` [PATCH 09/13] mm/memory-failure: remove obsolete comment in unpoison_memory() Miaohe Lin
2024-05-24 15:06   ` David Hildenbrand
2024-05-24  9:13 ` [PATCH 10/13] mm/memory-failure: move some function declarations into internal.h Miaohe Lin
2024-05-25  2:39   ` kernel test robot
2024-05-25  6:39     ` Miaohe Lin
2024-05-24  9:13 ` [PATCH 11/13] mm/memory-failure: fix comment of get_hwpoison_page() Miaohe Lin
2024-05-24  9:13 ` [PATCH 12/13] mm/memory-failure: remove obsolete comment in kill_proc() Miaohe Lin
2024-05-24  9:13 ` [PATCH 13/13] mm/memory-failure: correct comment in me_swapcache_dirty Miaohe Lin

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