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Diffstat (limited to 'lib/alloc_tag.c')
-rw-r--r--lib/alloc_tag.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/alloc_tag.c b/lib/alloc_tag.c
index 11ed973ac359..81e5f9a70f22 100644
--- a/lib/alloc_tag.c
+++ b/lib/alloc_tag.c
@@ -227,6 +227,7 @@ struct page_ext_operations page_alloc_tagging_ops = {
};
EXPORT_SYMBOL(page_alloc_tagging_ops);
+#ifdef CONFIG_SYSCTL
static struct ctl_table memory_allocation_profiling_sysctls[] = {
{
.procname = "mem_profiling",
@@ -238,9 +239,19 @@ static struct ctl_table memory_allocation_profiling_sysctls[] = {
#endif
.proc_handler = proc_do_static_key,
},
- { }
};
+static void __init sysctl_init(void)
+{
+ if (!mem_profiling_support)
+ memory_allocation_profiling_sysctls[0].mode = 0444;
+
+ register_sysctl_init("vm", memory_allocation_profiling_sysctls);
+}
+#else /* CONFIG_SYSCTL */
+static inline void sysctl_init(void) {}
+#endif /* CONFIG_SYSCTL */
+
static int __init alloc_tag_init(void)
{
const struct codetag_type_desc desc = {
@@ -253,9 +264,7 @@ static int __init alloc_tag_init(void)
if (IS_ERR(alloc_tag_cttype))
return PTR_ERR(alloc_tag_cttype);
- if (!mem_profiling_support)
- memory_allocation_profiling_sysctls[0].mode = 0444;
- register_sysctl_init("vm", memory_allocation_profiling_sysctls);
+ sysctl_init();
procfs_init();
return 0;