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Message-ID: <20250901061223.2939097-8-max.kellermann@ionos.com>
Date: Mon,  1 Sep 2025 08:12:18 +0200
From: Max Kellermann <max.kellermann@...os.com>
To: akpm@...ux-foundation.org,
	david@...hat.com,
	axelrasmussen@...gle.com,
	yuanchu@...gle.com,
	willy@...radead.org,
	hughd@...gle.com,
	mhocko@...e.com,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	lorenzo.stoakes@...cle.com,
	Liam.Howlett@...cle.com,
	vbabka@...e.cz,
	rppt@...nel.org,
	surenb@...gle.com,
	vishal.moola@...il.com
Cc: Max Kellermann <max.kellermann@...os.com>
Subject: [PATCH v3 07/12] parisc: add `const` to 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


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