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From: Andrew Morton <akpm@linux-foundation.org>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: David Hildenbrand <david@redhat.com>,
	Oscar Salvador <osalvador@suse.de>,
	Muchun Song <muchun.song@linux.dev>, <linux-mm@kvack.org>,
	<sidhartha.kumar@oracle.com>, <jane.chu@oracle.com>,
	Zi Yan <ziy@nvidia.com>, Vlastimil Babka <vbabka@suse.cz>,
	Brendan Jackman <jackmanb@google.com>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Matthew Wilcox <willy@infradead.org>
Subject: Re: [PATCH v4 5/6] mm: cma: add cma_alloc_frozen{_compound}()
Date: Thu, 23 Oct 2025 18:12:11 -0700	[thread overview]
Message-ID: <20251023181211.5884d84bd48d3d5ef9448741@linux-foundation.org> (raw)
In-Reply-To: <20251023115940.3573158-6-wangkefeng.wang@huawei.com>

On Thu, 23 Oct 2025 19:59:39 +0800 Kefeng Wang <wangkefeng.wang@huawei.com> wrote:

> --- a/mm/internal.h
> +++ b/mm/internal.h
> @@ -515,13 +515,6 @@ static inline void set_page_refcounted(struct page *page)
>  
>  static inline void set_pages_refcounted(struct page *page, unsigned long nr_pages)
>  {
> -	unsigned long pfn = page_to_pfn(page);
> -
> -	if (PageHead(page)) {
> -		set_page_refcounted(page);
> -		return;
> -	}
> -
>  	for (; nr_pages--; pfn++)
>  		set_page_refcounted(pfn_to_page(pfn));
>  }

pfn is undefined here.

I could fix, but what you sent clearly wasn't what you tested, so I'll
drop this version of this series.



  reply	other threads:[~2025-10-24  1:12 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-23 11:59 [PATCH v4 0/6] mm: hugetlb: allocate frozen gigantic folio Kefeng Wang
2025-10-23 11:59 ` [PATCH v4 1/6] mm: debug_vm_pgtable: add debug_vm_pgtable_free_huge_page() Kefeng Wang
2025-10-23 11:59 ` [PATCH v4 2/6] mm: page_alloc: add __split_page() Kefeng Wang
2025-10-23 11:59 ` [PATCH v4 3/6] mm: cma: add __cma_release() Kefeng Wang
2025-10-23 11:59 ` [PATCH v4 4/6] mm: page_alloc: add alloc_contig_frozen_{range,pages}() Kefeng Wang
2025-10-23 11:59 ` [PATCH v4 5/6] mm: cma: add cma_alloc_frozen{_compound}() Kefeng Wang
2025-10-24  1:12   ` Andrew Morton [this message]
2025-10-24  1:31     ` Kefeng Wang
2025-10-23 11:59 ` [PATCH v4 6/6] mm: hugetlb: allocate frozen pages in alloc_gigantic_folio() Kefeng Wang

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