linux-kernel - [PATCH v5 07/12] parisc: constify mmap_upper_limit() parameter for improved const-correctness

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Message-ID: <20250901123028.3383461-8-max.kellermann@ionos.com>
Date: Mon,  1 Sep 2025 14:30:23 +0200
From: Max Kellermann <max.kellermann@...os.com>
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Subject: [PATCH v5 07/12] parisc: constify mmap_upper_limit() parameter for improved const-correctness

This piece is necessary to make the `rlim_stack` parameter to
mmap_base() const.

Signed-off-by: Max Kellermann <max.kellermann@...os.com>
Reviewed-by: Vishal Moola (Oracle) <vishal.moola@...il.com>
---
 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..c2bbaef7e6b7 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 *const rlim_stack)
 {
 	unsigned long stack_base;
 
-- 
2.47.2