cgroup/dmem: remove region parameter from dmemcg_parse_limit

Thadeu Lima de Souza Cascardo · htejun · commit 6675af9c1a32 · 2026-03-21T09:24:02.000-10:00
dmemcg_parse_limit does not use the region parameter. Remove it.

Signed-off-by: Thadeu Lima de Souza Cascardo &lt;cascardo@igalia.com&gt;
Signed-off-by: Tejun Heo &lt;tj@kernel.org&gt;
diff --git a/kernel/cgroup/dmem.c b/kernel/cgroup/dmem.c
@@ -707,8 +707,7 @@ static int dmem_cgroup_region_capacity_show(struct seq_file *sf, void *v)
 	return 0;
 }
 
-static int dmemcg_parse_limit(char *options, struct dmem_cgroup_region *region,
-			      u64 *new_limit)
+static int dmemcg_parse_limit(char *options, u64 *new_limit)
 {
 	char *end;
 
@@ -762,7 +761,7 @@ static ssize_t dmemcg_limit_write(struct kernfs_open_file *of,
 		if (!region)
 			return -EINVAL;
 
-		err = dmemcg_parse_limit(options, region, &new_limit);
+		err = dmemcg_parse_limit(options, &new_limit);
 		if (err < 0)
 			goto out_put;
 

Original file line number	Diff line number	Diff line change
`@@ -707,8 +707,7 @@ static int dmem_cgroup_region_capacity_show(struct seq_file sf, void v)`
`707`	`707`	`return 0;`
`708`	`708`	`}`
`709`	`709`
`710`		`-static int dmemcg_parse_limit(char options, struct dmem_cgroup_region region,`
`711`		`- u64 *new_limit)`
	`710`	`+static int dmemcg_parse_limit(char options, u64 new_limit)`
`712`	`711`	`{`
`713`	`712`	`char *end;`
`714`	`713`
`@@ -762,7 +761,7 @@ static ssize_t dmemcg_limit_write(struct kernfs_open_file *of,`
`762`	`761`	`if (!region)`
`763`	`762`	`return -EINVAL;`
`764`	`763`
`765`		`- err = dmemcg_parse_limit(options, region, &new_limit);`
	`764`	`+ err = dmemcg_parse_limit(options, &new_limit);`
`766`	`765`	`if (err < 0)`
`767`	`766`	`goto out_put;`
`768`	`767`