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b=hWneUtSVWVkUEEHh53FsJz0JIoa96WZRviPHJpBFxUuUVIeQV+THrNBCtHoPDjUk/ KpD53rn8a79eP5KK+awECTdluAIyy7djbrqzzHsHem6rJUELi93M+1VZzIYbAjtp/a dra+o6JA+s9kHFFVwVAzc3n7uUOr+cj7lY5ySRvnlMVfYdVuxWw0VU9vP4SFds8pY5 rwi1On+f7owvg6sSiuVjeF0ld22VKDs0xY3cyHlkfUhxgkaGmsEF8+UVjXfuPHmWZO J2RwXA1WMQx4n9Vac8nKONppQhz4VM6oM89KFSHmFFXTY+kJLLZ4e+ite/DH9AuTzM WC5CjFxMt9Geg== Message-ID: <49aa013f-f613-42be-bc58-35956ef189de@kernel.org> Date: Wed, 26 Aug 2026 10:24:56 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/3] mm: khugepaged: fix swap entry value to folio_pfn() From: "David Hildenbrand (Arm)" To: "Lorenzo Stoakes (ARM)" Cc: Vernon Yang , akpm@linux-foundation.org, nico.pache@linux.dev, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, usama.arif@linux.dev, zokeefe@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, stable@vger.kernel.org, Vernon Yang References: <20260824092935.73892-1-vernon2gm@gmail.com> <20260824092935.73892-2-vernon2gm@gmail.com> <6a9c2369-5589-4f2a-bcfe-c6e3b46a1ccd@gmail.com> <42695df0-3962-4126-9afb-9a1905d096a0@kernel.org> Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 418C61C0002 X-Stat-Signature: akhhbn7bn53i4gb4ge5o4knc11ciudqd X-Rspam-User: X-HE-Tag: 1787732703-650219 X-HE-Meta: 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 vnD/eeHg 6TOurc4qYBnUYAQ3kSO1lEehdRqjGor1sveFY5dC3qUVAorb9ZiBieATQWLnWTHT1sd+trEikPVTnCEiVyetn+/Eu+Q/Uqx42Ov2xbD1LTQPRSXPT1q4n/GVUBBeqF8aL0hLtCSyb7upPqrjAcShHzepHiaaXDKBHmzX3r1C1t+TFum5rG4pzYccoTbWY4f1ebLiQeMDvVLgo6kDUVJg0NY6Jhy7RPEWfl2i5mfIUTqzi05b7XdIb6FtWWltQ7cM930o51jjYVl3PAJunpdDUWskEYQzSXfxKk/fi0uncUNOb96S8nw1/Ct/0gA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 8/26/26 10:16, David Hildenbrand (Arm) wrote: > On 8/26/26 10:11, Lorenzo Stoakes (ARM) wrote: >> On Wed, Aug 26, 2026 at 10:08:58AM +0200, David Hildenbrand (Arm) wrote: >>> >>> Elaborate. >> >> It's overly long, I read it and am confused as to what is 'problematic' or not, >> it reads weirdly in English and pfn_xxx is the usual convention for naming of >> pfn's anyway. > > Excuse me, what? Are you now just making up arguments? To clarify, we have various users of "xxx_pfn" in the tree and I fail to see how "this is a problematic pfn" -> "problematic_pfn" is odd and why "pfn_problematic" would be any clearer. I do agree with the "problematic" aspect. "failed" might indeed be nicer. -- Cheers, David