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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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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 >