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Received: from willy by casper.infradead.org with local (Exim 4.99.1 #2 (Red Hat Linux)) id 1wrHcm-00000004Dkw-0qDA; Tue, 04 Aug 2026 16:04:16 +0000 Date: Tue, 4 Aug 2026 17:04:15 +0100 From: Matthew Wilcox To: jane.chu@oracle.com Cc: Andrew Morton , linux-mm@kvack.org, Muchun Song , Oscar Salvador , David Hildenbrand , Miaohe Lin , Naoya Horiguchi , Jan Kara , linux-fsdevel@vger.kernel.org, Christian Brauner , Jiaqi Yan Subject: Re: [PATCH v8 08/15] hugetlb: Use the has_hwpoisoned flag Message-ID: References: <20260731200802.574821-1-willy@infradead.org> <20260731200802.574821-9-willy@infradead.org> <9b2cd903-7800-4c45-bc07-dca0ee40331d@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9b2cd903-7800-4c45-bc07-dca0ee40331d@oracle.com> X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: A6B60A0014 X-Stat-Signature: 7uyw17uzg83wgwasqzruje6yoyiqtf3j X-Rspam-User: X-HE-Tag: 1785859463-372227 X-HE-Meta: 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 7d8yBwQF e3h9iJfSOdritjfgOhmKzrqZ1unwYpDV8CQ/dSF3QHNCBOzpZbnzBiZFm4uwQf2Vm5s5vPoEW4hYIXBSpspIMTNqFMMCBOoiTj8xjkDN/hGU+SZsgEtOwzfpC0bguhp3qjQQFBfv9IhDL3hSj025CSPXI1vfv9pekwpl1umkUAkxLQRinhKvuzo1GDCV1+ozEHY3CkjBj7/pc9vgSWayQ0mzQ+i/4qqWxCJzQkvx8EQsMH8G+DqrSaa5+Ty5oBeCSNNjGNc6/IjRg9SZW5cWLGDCBB0b203uNSnbF+SXZHCay3aIrmyssCf6UJn+Bbm1eYV7seBF8P7XZMUZICo4oCxVMQAj9gWFQc2tMTrOF5Wu2PNGDcs2IlrU1xhcxRmhAdrECy3IAUSAG7C5v4959sRtBlV+atWTZR0Tz Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Aug 03, 2026 at 11:51:42PM -0700, jane.chu@oracle.com wrote: > So, we now have two sets keeping track of folio level hugetlb hwpoison > status: one with PG_has_hwpoison, another with (PGTY_hugetlb + bit23) in the > .page_type field. I don't see a better way though. Yep, we end up marking the folio two different ways. I don't love it either, but I haven't come up with anything better. > Reviewed-by: Jane Chu > > thanks, > -jane