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(p200300cbc7140c00b08ba871ce99dfde.dip0.t-ipconnect.de. [2003:cb:c714:c00:b08b:a871:ce99:dfde]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a79bc5d2018sm453924466b.85.2024.07.17.07.42.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 Jul 2024 07:42:51 -0700 (PDT) Message-ID: <220da8ed-337a-4b1e-badf-2bff1d36e6c3@redhat.com> Date: Wed, 17 Jul 2024 16:42:48 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 05/17] arch, mm: pull out allocation of NODE_DATA to generic code To: Mike Rapoport , linux-kernel@vger.kernel.org Cc: Alexander Gordeev , Andreas Larsson , Andrew Morton , Arnd Bergmann , Borislav Petkov , Catalin Marinas , Christophe Leroy , Dan Williams , Dave Hansen , "David S. Miller" , Greg Kroah-Hartman , Heiko Carstens , Huacai Chen , Ingo Molnar , Jiaxun Yang , John Paul Adrian Glaubitz , Jonathan Cameron , Michael Ellerman , Palmer Dabbelt , "Rafael J. Wysocki" , Rob Herring , Thomas Bogendoerfer , Thomas Gleixner , Vasily Gorbik , Will Deacon , linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-acpi@vger.kernel.org, linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev, devicetree@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org References: <20240716111346.3676969-1-rppt@kernel.org> <20240716111346.3676969-6-rppt@kernel.org> 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: <20240716111346.3676969-6-rppt@kernel.org> 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: 09BDB1C001C X-Stat-Signature: fes5thtuif5853xkfm4r6r5rdu11nbqf X-Rspam-User: X-HE-Tag: 1721227375-472136 X-HE-Meta: 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 ms6zgRtp NO8wRAjJcaVxaFtx4ddOzoE3cuQxr/KsGEhBzbga97uZDVfKyTlcAL6RgfcQYpnpLXVVkQnp462z++wtgoZEp5waSZ1QD08cfvs8cUZz4Qdm4PFvfEnz1OeS7gGb0YCG1OQfo/AkeITQTzDTa925JAcQZZRw9rtGa7sLGsQitH7Z9dogv1GYlQjt6N/oRQFJtLNIONclsCaHzzVLmnnGA7kJaLi5Ncu/SkH2fZNCMNQZivkrYvpk0K6MJfIiOq7Nb37FIQrpP4dKbxC1WFNoPgbDW2wpSDaHBHQFks00iiQKuOJggzmITleCYVjqkZ++F8Zqwq3DedhVpKV1Us+GUev1v6qyBmJhoJzUTODaCx/VmYsZ14MfzyPsp/Xg9WWWc1RnOj66LpRPsYmREL7uKL+tO4XsBouvaUrlMP5GYz5eXGBWgdKExrZmeo/yfshg0Xt6ZOr+sWd5H8koSpyWfvIOshp+UtWWBz+UV 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 16.07.24 13:13, Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > Architectures that support NUMA duplicate the code that allocates > NODE_DATA on the node-local memory with slight variations in reporting > of the addresses where the memory was allocated. > > Use x86 version as the basis for the generic alloc_node_data() function > and call this function in architecture specific numa initialization. > > Signed-off-by: Mike Rapoport (Microsoft) > --- [...] > diff --git a/arch/mips/loongson64/numa.c b/arch/mips/loongson64/numa.c > index 9208eaadf690..909f6cec3a26 100644 > --- a/arch/mips/loongson64/numa.c > +++ b/arch/mips/loongson64/numa.c > @@ -81,12 +81,8 @@ static void __init init_topology_matrix(void) > > static void __init node_mem_init(unsigned int node) > { > - struct pglist_data *nd; > unsigned long node_addrspace_offset; > unsigned long start_pfn, end_pfn; > - unsigned long nd_pa; > - int tnid; > - const size_t nd_size = roundup(sizeof(pg_data_t), SMP_CACHE_BYTES); One interesting change is that we now always round up to full pages on architectures where we previously rounded up to SMP_CACHE_BYTES. I assume we don't really expect a significant growth in memory consumption that we care about, especially because most systems with many nodes also have quite some memory around. > -/* Allocate NODE_DATA for a node on the local memory */ > -static void __init alloc_node_data(int nid) > -{ > - const size_t nd_size = roundup(sizeof(pg_data_t), PAGE_SIZE); > - u64 nd_pa; > - void *nd; > - int tnid; > - > - /* > - * Allocate node data. Try node-local memory and then any node. > - * Never allocate in DMA zone. > - */ > - nd_pa = memblock_phys_alloc_try_nid(nd_size, SMP_CACHE_BYTES, nid); > - if (!nd_pa) { > - pr_err("Cannot find %zu bytes in any node (initial node: %d)\n", > - nd_size, nid); > - return; > - } > - nd = __va(nd_pa); > - > - /* report and initialize */ > - printk(KERN_INFO "NODE_DATA(%d) allocated [mem %#010Lx-%#010Lx]\n", nid, > - nd_pa, nd_pa + nd_size - 1); > - tnid = early_pfn_to_nid(nd_pa >> PAGE_SHIFT); > - if (tnid != nid) > - printk(KERN_INFO " NODE_DATA(%d) on node %d\n", nid, tnid); > - > - node_data[nid] = nd; > - memset(NODE_DATA(nid), 0, sizeof(pg_data_t)); > - > - node_set_online(nid); > -} > - > /** > * numa_cleanup_meminfo - Cleanup a numa_meminfo > * @mi: numa_meminfo to clean up > @@ -571,6 +538,7 @@ static int __init numa_register_memblks(struct numa_meminfo *mi) > continue; > > alloc_node_data(nid); > + node_set_online(nid); > } I can spot that we only remove a single node_set_online() call from x86. What about all the other architectures? Will there be any change in behavior for them? Or do we simply set the nodes online later once more? -- Cheers, David / dhildenb