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(p200300cbc73f8500f83c3602530088af.dip0.t-ipconnect.de. [2003:cb:c73f:8500:f83c:3602:5300:88af]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-36bbd01402csm12843805f8f.39.2024.08.06.05.18.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Aug 2024 05:18:25 -0700 (PDT) Message-ID: <4220779f-1037-444b-b835-1732d497b9a2@redhat.com> Date: Tue, 6 Aug 2024 14:18:24 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/8] mm: Rename accept_page() to accept_page_memory() To: "Kirill A. Shutemov" , Andrew Morton , "Borislav Petkov (AMD)" , Mel Gorman , Vlastimil Babka Cc: Tom Lendacky , Mike Rapoport , "Matthew Wilcox (Oracle)" , Johannes Weiner , linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20240805145940.2911011-1-kirill.shutemov@linux.intel.com> <20240805145940.2911011-5-kirill.shutemov@linux.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: <20240805145940.2911011-5-kirill.shutemov@linux.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-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: E5450C0015 X-Stat-Signature: bpzyth358zb8aex5a3jgptnydcbsf9j4 X-Rspam-User: X-HE-Tag: 1722946709-674938 X-HE-Meta: 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 AvXjXLK2 pH1PstbOJOTJ0wdaXBZP0BivauBHMHthvSvVrKKWYcyEjeanPLg8RbTUHQDot9S9Xujmg0cHWXMuzU7Jc4WFRUpZOJzVaSuHS7NT9LSMGMxEiknhuljwD+6YnkIiJ29BYmr/tZ/GTkclPO55LKgz3Qf/Wr5MTMmkPS5HIiSIZuktWAqr/71OnbQPeEclbNPYRdo0gKVdou39cnza2DUePmGyRHHSYBDbitgw9/8kgZMyHQwo1IW3bk0tTvJjPSTWAqbfRguaTyUY2QfJ6/48QeTyJSeqhlVdu3oMVd25G0LeFUtEzgKJabiqF11FH0b4bOQwo3lQikfBwCFV9wQjQbqWc4UnSXkxzo/kQKhO6axtKCzwp6GVwfgxBUPzqRB5BnTKCuqg1HWAn0C3q5QPnin99AnmPJY5+EYa+0gJD4qL1hvs1DmZOGBl6noGV8RMEbUj7 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 05.08.24 16:59, Kirill A. Shutemov wrote: > Rename the helper. The accept_page() name is going to be used for > different function. > > Signed-off-by: Kirill A. Shutemov > --- > mm/page_alloc.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > index a35efb114496..34718852d576 100644 > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -286,7 +286,7 @@ EXPORT_SYMBOL(nr_online_nodes); > #endif > > static bool page_contains_unaccepted(struct page *page, unsigned int order); > -static void accept_page(struct page *page, unsigned int order); > +static void accept_page_memory(struct page *page, unsigned int order); > static bool cond_accept_memory(struct zone *zone, unsigned int order); > static inline bool has_unaccepted_memory(void); > static bool __free_unaccepted(struct page *page); > @@ -1263,7 +1263,7 @@ void __meminit __free_pages_core(struct page *page, unsigned int order, > if (order == MAX_PAGE_ORDER && __free_unaccepted(page)) > return; > > - accept_page(page, order); > + accept_page_memory(page, order); I wonder if we can do better at naming. Naming them accept_page1 and accept_page2 might be just as confusing as what you use here. And I think we better just don't have this "page" wrapper here at all and just move to memory ranges. After all, the page contains no information we need here besides the PFN. What about: diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 7a8bdfa742e1..5dc4066f35b3 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -286,7 +286,6 @@ EXPORT_SYMBOL(nr_online_nodes); #endif static bool page_contains_unaccepted(struct page *page, unsigned int order); -static void accept_page(struct page *page, unsigned int order); static inline bool has_unaccepted_memory(void); static bool __free_unaccepted(struct page *page); @@ -1262,7 +1261,7 @@ void __meminit __free_pages_core(struct page *page, unsigned int order, if (order == MAX_PAGE_ORDER && __free_unaccepted(page)) return; - accept_page(page, order); + __accept_memory(page_to_phys(page), PAGE_SIZE << order); } /* @@ -6975,11 +6974,9 @@ static bool page_contains_unaccepted(struct page *page, unsigned int order) return range_contains_unaccepted_memory(start, end); } -static void accept_page(struct page *page, unsigned int order) +static void __accept_memory(phys_addr_t start, phys_addr_t size) { - phys_addr_t start = page_to_phys(page); - - accept_memory(start, start + (PAGE_SIZE << order)); + accept_memory(start, start + size); } static bool try_to_accept_memory_one(struct zone *zone) @@ -7006,7 +7003,7 @@ static bool try_to_accept_memory_one(struct zone *zone) __mod_zone_page_state(zone, NR_UNACCEPTED, -MAX_ORDER_NR_PAGES); spin_unlock_irqrestore(&zone->lock, flags); - accept_page(page, MAX_PAGE_ORDER); + __accept_memory(page_to_phys(page), PAGE_SIZE << MAX_PAGE_ORDER); __free_pages_ok(page, MAX_PAGE_ORDER, FPI_TO_TAIL); @@ -7071,7 +7068,7 @@ static bool page_contains_unaccepted(struct page *page, unsigned int order) return false; } -static void accept_page(struct page *page, unsigned int order) +static void __accept_memory(phys_addr_t start, phys_addr_t size) { } It would be even easier if accept_memory() would just accept start+size. -- Cheers, David / dhildenb