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[80.187.83.189]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-46fb4983053sm172313925e9.8.2025.10.13.01.10.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Oct 2025 01:10:06 -0700 (PDT) Message-ID: Date: Mon, 13 Oct 2025 10:10:05 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] hugetlb.h: flatten logic in arch_hugetlb_migration_supported To: Gregory Price , linux-mm@kvack.org Cc: muchun.song@linux.dev, osalvador@suse.de, linux-kernel@vger.kernel.org References: <20251008212614.86495-1-gourry@gourry.net> From: David Hildenbrand Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZoEEwEIAEQCGwMCF4ACGQEFCwkIBwICIgIG FQoJCAsCBBYCAwECHgcWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaJzangUJJlgIpAAKCRBN 3hD3AP+DWhAxD/9wcL0A+2rtaAmutaKTfxhTP0b4AAp1r/eLxjrbfbCCmh4pqzBhmSX/4z11 opn2KqcOsueRF1t2ENLOWzQu3Roiny2HOU7DajqB4dm1BVMaXQya5ae2ghzlJN9SIoopTWlR 0Af3hPj5E2PYvQhlcqeoehKlBo9rROJv/rjmr2x0yOM8qeTroH/ZzNlCtJ56AsE6Tvl+r7cW 3x7/Jq5WvWeudKrhFh7/yQ7eRvHCjd9bBrZTlgAfiHmX9AnCCPRPpNGNedV9Yty2Jnxhfmbv Pw37LA/jef8zlCDyUh2KCU1xVEOWqg15o1RtTyGV1nXV2O/mfuQJud5vIgzBvHhypc3p6VZJ lEf8YmT+Ol5P7SfCs5/uGdWUYQEMqOlg6w9R4Pe8d+mk8KGvfE9/zTwGg0nRgKqlQXrWRERv cuEwQbridlPAoQHrFWtwpgYMXx2TaZ3sihcIPo9uU5eBs0rf4mOERY75SK+Ekayv2ucTfjxr Kf014py2aoRJHuvy85ee/zIyLmve5hngZTTe3Wg3TInT9UTFzTPhItam6dZ1xqdTGHZYGU0O otRHcwLGt470grdiob6PfVTXoHlBvkWRadMhSuG4RORCDpq89vu5QralFNIf3EysNohoFy2A LYg2/D53xbU/aa4DDzBb5b1Rkg/udO1gZocVQWrDh6I2K3+cCs7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: <20251008212614.86495-1-gourry@gourry.net> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: JX2sP9O2eI6ksuwBDhQ-8o4Qs5Bcd-asMobUEG0s6Kw_1760343007 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: dzd9o7f3sth5rjtyrihbn9bru3ab9ct5 X-Rspamd-Queue-Id: D554914000A X-Rspamd-Server: rspam09 X-HE-Tag: 1760343010-646624 X-HE-Meta: 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 P4gkSobV 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 08.10.25 23:26, Gregory Price wrote: > Simplify if-true-return-true-else-false logic. > > Signed-off-by: Gregory Price > --- > include/linux/hugetlb.h | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h > index 526d27e88b3b..b030850975ef 100644 > --- a/include/linux/hugetlb.h > +++ b/include/linux/hugetlb.h > @@ -876,12 +876,9 @@ static inline void folio_clear_hugetlb_hwpoison(struct folio *folio) > #ifndef arch_hugetlb_migration_supported > static inline bool arch_hugetlb_migration_supported(struct hstate *h) > { > - if ((huge_page_shift(h) == PMD_SHIFT) || > + return ((huge_page_shift(h) == PMD_SHIFT) || > (huge_page_shift(h) == PUD_SHIFT) || > - (huge_page_shift(h) == PGDIR_SHIFT)) > - return true; > - else > - return false; > + (huge_page_shift(h) == PGDIR_SHIFT)); switch (huge_page_shift(h)) { case PMD_SHIFT: case PUD_SHIFT: case PGDIR_SHIFT: return true; default: return false; } -- Cheers David / dhildenb