um: Make mm_list and mm_list_lock static

btw616 · jmberg-intel · commit 409a0c00c490 · 2025-07-11T08:49:18.000+02:00
They are only used within mmu.c. Make them static. Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com> Link: https://patch.msgid.link/20250708090403.1067440-3-tiwei.bie@linux.dev Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
@@ -20,8 +20,8 @@
 /* Ensure the stub_data struct covers the allocated area */
 static_assert(sizeof(struct stub_data) == STUB_DATA_PAGES * UM_KERN_PAGE_SIZE);
 
-spinlock_t mm_list_lock;
-struct list_head mm_list;
+static spinlock_t mm_list_lock;
+static struct list_head mm_list;
 
 int init_new_context(struct task_struct *task, struct mm_struct *mm)
 {

Original file line number	Diff line number	Diff line change
`@@ -20,8 +20,8 @@`
`20`	`20`	`/* Ensure the stub_data struct covers the allocated area */`
`21`	`21`	`static_assert(sizeof(struct stub_data) == STUB_DATA_PAGES * UM_KERN_PAGE_SIZE);`
`22`	`22`
`23`		`-spinlock_t mm_list_lock;`
`24`		`-struct list_head mm_list;`
	`23`	`+static spinlock_t mm_list_lock;`
	`24`	`+static struct list_head mm_list;`
`25`	`25`
`26`	`26`	`int init_new_context(struct task_struct task, struct mm_struct mm)`
`27`	`27`	`{`