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[2003:cb:c739:8e00:7a46:1b8c:8b13:d3d]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-381ed997391sm15896069f8f.45.2024.11.12.08.03.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Nov 2024 08:03:48 -0800 (PST) Message-ID: <98ab4882-2d32-4f8f-bf24-0f1b2229c44a@redhat.com> Date: Tue, 12 Nov 2024 17:03:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/5] mm: shmem: change shmem_huge_global_enabled() to return huge order bitmap To: Baolin Wang , akpm@linux-foundation.org, hughd@google.com Cc: willy@infradead.org, wangkefeng.wang@huawei.com, 21cnbao@gmail.com, ryan.roberts@arm.com, ioworker0@gmail.com, da.gomez@samsung.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: 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 ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: GnzxHXcjqRMF7_xTCIn3lAiWivfKx9zR3Qat3XTwPuU_1731427430 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: exw8r8eemadgidkzcitynr1fpejaq59k X-Rspam-User: X-Rspamd-Queue-Id: 153C71C0016 X-Rspamd-Server: rspam02 X-HE-Tag: 1731427381-459175 X-HE-Meta: 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 4oR3r19Z ajzd+2hi4KHq7J1UtddxaWZh9LYOiclAN5cqNl5I6uVBFPhfTvdzxv4O7Gkc+QFaMq866asM+eixVY2bLysM6Pmm7oFSQq+TbjmC+85Ah1SJfL347hYIvd9oh3bbE28curqn2LoPRCVL9m95ivUKUfJxkMT+U6zyBKwy4eAld3eDI2kpadtLdYjVsrLWc34MspqNROq46x8BGLAmdn6CXVwueSzc/Ddp2lxQv6LTRZkUV2vGxQshqDScHUEaGiC8lzwEwjjh4tkPivY1JJfc4kTneHELYOsOXksarnBpTkYF0tVDbJN2qIvT9ACiaerNTP2bw/PFVdvI+n+vwXTKAVmFResq0cw+WnI54eE6NWYp0rFdpiT+XZGNuBXpG39POasa3cDZYyg3VwClEXcBuHnutZKdMkxPUeej65F3dxh+m4lTFJMdk0AMaJ0Sh1W9OngN8f1PJ/KIiHw2HYVbvdV65mw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.322366, 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 12.11.24 08:45, Baolin Wang wrote: > Change the shmem_huge_global_enabled() to return the suitable huge > order bitmap, and return 0 if huge pages are not allowed. This is a > preparation for supporting various huge orders allocation of tmpfs > in the following patches. > > No functional changes. Acked-by: David Hildenbrand -- Cheers, David / dhildenb