From: Sean Christopherson <seanjc@google.com>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Jane Chu <jane.chu@oracle.com>,
linux-mm@kvack.org, Muchun Song <muchun.song@linux.dev>,
Oscar Salvador <osalvador@suse.de>,
David Hildenbrand <david@kernel.org>,
Miaohe Lin <linmiaohe@huawei.com>,
Naoya Horiguchi <nao.horiguchi@gmail.com>,
Jan Kara <jack@suse.cz>,
linux-fsdevel@vger.kernel.org,
Christian Brauner <christian@brauner.io>,
Jiaqi Yan <jiaqiyan@google.com>
Subject: Re: [PATCH v4 05/14] guest_memfd: Use folio_has_hwpoisoned_page()
Date: Fri, 24 Jul 2026 08:16:36 -0700 [thread overview]
Message-ID: <amOB1ATJGo71QMkE@google.com> (raw)
In-Reply-To: <20260723143034.175661-6-willy@infradead.org>
On Thu, Jul 23, 2026, Matthew Wilcox (Oracle) wrote:
> folio_test_hwpoison() only works on hugetlb folios today and will give
> the wrong answer for other large folios. folio_has_hwpoisoned_page()
> works on both.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> ---
Acked-by: Sean Christopherson <seanjc@google.com>
next prev parent reply other threads:[~2026-07-24 15:16 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-23 14:30 [PATCH v4 00/14] Use generic_file_read_iter() in hugetlbfs Matthew Wilcox (Oracle)
2026-07-23 14:30 ` [PATCH v4 01/14] memory-failure: Fix hardware poison check in unpoison_memory() again Matthew Wilcox (Oracle)
2026-07-24 12:32 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 02/14] memory-failure: Test the page is hwpoison before taking the mutex Matthew Wilcox (Oracle)
2026-07-24 12:34 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 03/14] mm: Rename folio_contain_hwpoison_page() to folio_has_hwpoison_page() Matthew Wilcox (Oracle)
2026-07-24 12:36 ` Matthew Wilcox
2026-07-24 12:52 ` Michael S. Tsirkin
2026-07-24 13:24 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 04/14] hugetlb: Mark some function arguments as const Matthew Wilcox (Oracle)
2026-07-24 12:38 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 05/14] guest_memfd: Use folio_has_hwpoisoned_page() Matthew Wilcox (Oracle)
2026-07-24 12:44 ` Matthew Wilcox
2026-07-24 15:16 ` Sean Christopherson
2026-07-24 16:51 ` Ackerley Tng
2026-07-24 18:04 ` Matthew Wilcox
2026-07-24 15:16 ` Sean Christopherson [this message]
2026-07-24 16:40 ` Ackerley Tng
2026-07-23 14:30 ` [PATCH v4 06/14] memory-failure: Remove raw_hwp_list_head() Matthew Wilcox (Oracle)
2026-07-24 12:45 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 07/14] hugetlb: Use the has_hwpoisoned flag Matthew Wilcox (Oracle)
2026-07-24 13:21 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 08/14] mm: Remove locking mf_mutex in is_raw_hwpoison_page_in_hugepage() Matthew Wilcox (Oracle)
2026-07-24 13:41 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 09/14] mm: Check individual hugetlb pages for poison Matthew Wilcox (Oracle)
2026-07-24 14:00 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 10/14] filemap: Add hwpoison handling to filemap_read() Matthew Wilcox (Oracle)
2026-07-24 16:06 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 11/14] filemap: Remove checks in mapping_set_folio_order_range() Matthew Wilcox (Oracle)
2026-07-24 16:08 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 12/14] hugetlb: Set mapping folio order Matthew Wilcox (Oracle)
2026-07-24 16:16 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 13/14] filemap: Add support for authoritative mappings Matthew Wilcox (Oracle)
2026-07-24 16:15 ` Matthew Wilcox
2026-07-24 16:29 ` Matthew Wilcox
2026-07-23 14:30 ` [PATCH v4 14/14] hugetlb: replace hugetlbfs_read_iter() with generic_file_read_iter() Matthew Wilcox (Oracle)
2026-07-24 16:36 ` Matthew Wilcox
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