linux-kernel - [PATCH v3 05/12] mm/oom_kill: add `const` to pointer parameter

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250901061223.2939097-6-max.kellermann@ionos.com>
Date: Mon,  1 Sep 2025 08:12:16 +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 05/12] mm/oom_kill: add `const` to pointer parameter

For improved const-correctness.

Signed-off-by: Max Kellermann <max.kellermann@...os.com>
---
 include/linux/mm.h | 2 +-
 mm/oom_kill.c      | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 18deb14cb1f5..f70c6b4d5f80 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -3840,7 +3840,7 @@ static inline int in_gate_area(struct mm_struct *mm, unsigned long addr)
 }
 #endif	/* __HAVE_ARCH_GATE_AREA */
 
-extern bool process_shares_mm(struct task_struct *p, struct mm_struct *mm);
+bool process_shares_mm(const struct task_struct *p, const struct mm_struct *mm);
 
 void drop_slab(void);
 
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 17650f0b516e..2620b32a8eba 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -490,7 +490,8 @@ static bool oom_killer_disabled __read_mostly;
  * task's threads: if one of those is using this mm then this task was also
  * using it.
  */
-bool process_shares_mm(struct task_struct *p, struct mm_struct *mm)
+bool process_shares_mm(const struct task_struct *const p,
+		       const struct mm_struct *const mm)
 {
 	struct task_struct *t;
 
-- 
2.47.2