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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 v6 07/12] parisc: constify mmap_upper_limit() parameter Message-ID: References: <20250901205021.3573313-1-max.kellermann@ionos.com> <20250901205021.3573313-8-max.kellermann@ionos.com> Content-Type: text/plain; charset=us-ascii 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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 10:50:16PM +0200, Max Kellermann wrote: > For improved const-correctness. > > This piece is necessary to make the `rlim_stack` parameter to > mmap_base() const. > > Signed-off-by: Max Kellermann > Reviewed-by: Vishal Moola (Oracle) LGTM, so: Reviewed-by: Lorenzo Stoakes > --- > arch/parisc/include/asm/processor.h | 2 +- > arch/parisc/kernel/sys_parisc.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h > index 4c14bde39aac..dd0b5e199559 100644 > --- a/arch/parisc/include/asm/processor.h > +++ b/arch/parisc/include/asm/processor.h > @@ -48,7 +48,7 @@ > #ifndef __ASSEMBLER__ > > struct rlimit; > -unsigned long mmap_upper_limit(struct rlimit *rlim_stack); > +unsigned long mmap_upper_limit(const struct rlimit *rlim_stack); > unsigned long calc_max_stack_size(unsigned long stack_max); > > /* > diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c > index f852fe274abe..b2cdbb8a12b1 100644 > --- a/arch/parisc/kernel/sys_parisc.c > +++ b/arch/parisc/kernel/sys_parisc.c > @@ -77,7 +77,7 @@ unsigned long calc_max_stack_size(unsigned long stack_max) > * indicating that "current" should be used instead of a passed-in > * value from the exec bprm as done with arch_pick_mmap_layout(). > */ > -unsigned long mmap_upper_limit(struct rlimit *rlim_stack) > +unsigned long mmap_upper_limit(const struct rlimit *rlim_stack) > { > unsigned long stack_base; > > -- > 2.47.2 >