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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 Subject: Re: [PATCH v5 09/12] mm: constify ptdesc_pmd_pts_count() and folio_get_private() Message-ID: References: <20250901123028.3383461-1-max.kellermann@ionos.com> <20250901123028.3383461-10-max.kellermann@ionos.com> Content-Type: text/plain; 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 gtyf0NCY GhtPzduLCqZ/YcNBrWR0O/BA2YH0DEXBaw/SX9uwUAWvh4GrGLgO4WdrYieBH4A6w15aryO2did3Ca6gDUNMBdvR0Vtv9JRTXM6onfUqkx70VlkIkAG2xH2t+JMcvBswBSTemB098m9wqgzn1aUlRNtWofcg5gyN3+oFZnXz1+RgN+gTb+gcvA7aFluiCq2yc4+KV 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 Mon, Sep 01, 2025 at 02:30:25PM +0200, Max Kellermann wrote: > These functions from mm_types.h are trivial getters that should never > write to the given pointers. > > Signed-off-by: Max Kellermann > Reviewed-by: Vishal Moola (Oracle) (Again, on basis of us figuring out whether we want the double-const) LGTM, so: Reviewed-by: Lorenzo Stoakes > --- > include/linux/mm_types.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h > index d934a3a5b443..46e27ee14bcf 100644 > --- a/include/linux/mm_types.h > +++ b/include/linux/mm_types.h > @@ -632,7 +632,7 @@ static inline void ptdesc_pmd_pts_dec(struct ptdesc *ptdesc) > atomic_dec(&ptdesc->pt_share_count); > } > > -static inline int ptdesc_pmd_pts_count(struct ptdesc *ptdesc) > +static inline int ptdesc_pmd_pts_count(const struct ptdesc *const ptdesc) > { > return atomic_read(&ptdesc->pt_share_count); > } > @@ -660,7 +660,7 @@ static inline void set_page_private(struct page *page, unsigned long private) > page->private = private; > } > > -static inline void *folio_get_private(struct folio *folio) > +static inline void *folio_get_private(const struct folio *const folio) > { > return folio->private; > } > -- > 2.47.2 >