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[2003:cb:c730:9700:d653:fb19:75e5:ab5c]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4313f55e054sm13910225e9.4.2024.10.15.03.33.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Oct 2024 03:33:25 -0700 (PDT) Message-ID: <3450df1e-dcb2-495a-8fe4-0a6e096429fd@redhat.com> Date: Tue, 15 Oct 2024 12:33:24 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] resource: Remove dependency on SPARSEMEM from GET_FREE_REGION To: "Huang, Ying" Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Guenter Roeck , Nathan Chancellor , Arnd Bergmann , Dan Williams , Jonathan Cameron References: <20241015051554.294734-1-ying.huang@intel.com> <942d18c3-f9a8-482e-a166-c7c9d6fb28d7@redhat.com> <878qup94jb.fsf@yhuang6-desk2.ccr.corp.intel.com> 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: <878qup94jb.fsf@yhuang6-desk2.ccr.corp.intel.com> X-Mimecast-Spam-Score: 0 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-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 4FE7912000B X-Stat-Signature: b1p7mxy6u3p1kwhrc1ndpxzncgatz816 X-HE-Tag: 1728988399-773959 X-HE-Meta: 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 LHHSQU/Z 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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 15.10.24 10:03, Huang, Ying wrote: > Hi, David, > > David Hildenbrand writes: > >> On 15.10.24 07:15, Huang Ying wrote: >>> We want to use the functions configured via GET_FREE_REGION in >>> resource kunit tests. However, GET_FREE_REGION depends on SPARSEMEM. >>> This makes resource kunit tests cannot be built on some architectures >>> lacking SPARSEMEM. In fact, these functions doesn't depend on >>> SPARSEMEM now. So, remove dependency on SPARSEMEM from >>> GET_FREE_REGION. >>> Link: >>> https://lore.kernel.org/lkml/20240922225041.603186-1-linux@roeck-us.net/ >>> Signed-off-by: "Huang, Ying" >>> Tested-by: Guenter Roeck >>> Cc: Nathan Chancellor >>> Cc: Arnd Bergmann >>> Cc: Dan Williams >>> Cc: David Hildenbrand >>> Cc: Jonathan Cameron >>> --- >>> mm/Kconfig | 1 - >>> 1 file changed, 1 deletion(-) >>> diff --git a/mm/Kconfig b/mm/Kconfig >>> index 4c9f5ea13271..33fa51d608dc 100644 >>> --- a/mm/Kconfig >>> +++ b/mm/Kconfig >>> @@ -1085,7 +1085,6 @@ config HMM_MIRROR >>> depends on MMU >>> config GET_FREE_REGION >>> - depends on SPARSEMEM >>> bool >>> config DEVICE_PRIVATE >> >> Added by >> >> commit 14b80582c43e4f550acfd93c2b2cadbe36ea0874 >> Author: Dan Williams >> Date: Fri May 20 13:41:24 2022 -0700 >> >> resource: Introduce alloc_free_mem_region() >> >> @Dan, any insight why that dependency was added? > > Dan has explain it some what in the following email, > > https://lore.kernel.org/lkml/66f5abd431dce_964f2294b9@dwillia2-xfh.jf.intel.com.notmuch/ > > This is reachable from the "Link:" tag in the patch. That should be part of the patch description then :) -- Cheers, David / dhildenb