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[2003:d8:2f1f:3f00:731a:f5e5:774e:d40c]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3d2250115fdsm13170209f8f.40.2025.09.02.01.05.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 02 Sep 2025 01:06:01 -0700 (PDT) Message-ID: Date: Tue, 2 Sep 2025 10:05:58 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 10/12] mm: constify various inline functions for improved const-correctness To: Max Kellermann , akpm@linux-foundation.org, axelrasmussen@google.com, yuanchu@google.com, willy@infradead.org, hughd@google.com, mhocko@suse.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, vishal.moola@gmail.com, linux@armlinux.org.uk, James.Bottomley@HansenPartnership.com, deller@gmx.de, agordeev@linux.ibm.com, gerald.schaefer@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, borntraeger@linux.ibm.com, svens@linux.ibm.com, davem@davemloft.net, andreas@gaisler.com, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, chris@zankel.net, jcmvbkbc@gmail.com, viro@zeniv.linux.org.uk, brauner@kernel.org, jack@suse.cz, weixugc@google.com, baolin.wang@linux.alibaba.com, rientjes@google.com, shakeel.butt@linux.dev, thuth@redhat.com, broonie@kernel.org, osalvador@suse.de, jfalempe@redhat.com, mpe@ellerman.id.au, nysal@linux.ibm.com, linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-fsdevel@vger.kernel.org References: <20250901205021.3573313-1-max.kellermann@ionos.com> <20250901205021.3573313-11-max.kellermann@ionos.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: C9D4AC0002 X-Stat-Signature: e5h9n8z3a5ji1ffxei1kjbkjbr7gxej3 X-Rspam-User: X-HE-Tag: 1756800366-112715 X-HE-Meta: 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 NAzqw4oV 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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 01.09.25 22:50, Max Kellermann wrote: > We select certain test functions plus folio_migrate_refs() from > mm_inline.h which either invoke each other, functions that are already > const-ified, or no further functions. > > It is therefore relatively trivial to const-ify them, which > provides a basis for further const-ification further up the call > stack. > > One exception is the function folio_migrate_refs() which does write to > the "new" folio pointer; there, only the "old" folio pointer is being > constified; only its "flags" field is read, but nothing written. > > Signed-off-by: Max Kellermann > Reviewed-by: Vishal Moola (Oracle) > --- Acked-by: David Hildenbrand -- Cheers David / dhildenb