diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
index 20a9a9d69eb19371e26b84cdc840e75e31b479d6..73c5d1aafda6c2008309e887fe7733722795493e 100644
--- a/mm/damon/vaddr.c
+++ b/mm/damon/vaddr.c
@@ -410,7 +410,7 @@ static void damon_va_mkold(struct mm_struct *mm, unsigned long addr)
  * Functions for the access checking of the regions
  */
 
-static void damon_va_prepare_access_check(struct damon_ctx *ctx,
+static void __damon_va_prepare_access_check(struct damon_ctx *ctx,
 			struct mm_struct *mm, struct damon_region *r)
 {
 	r->sampling_addr = damon_rand(r->ar.start, r->ar.end);
@@ -429,7 +429,7 @@ void damon_va_prepare_access_checks(struct damon_ctx *ctx)
 		if (!mm)
 			continue;
 		damon_for_each_region(r, t)
-			damon_va_prepare_access_check(ctx, mm, r);
+			__damon_va_prepare_access_check(ctx, mm, r);
 		mmput(mm);
 	}
 }
@@ -515,7 +515,7 @@ static bool damon_va_young(struct mm_struct *mm, unsigned long addr,
  * mm	'mm_struct' for the given virtual address space
  * r	the region to be checked
  */
-static void damon_va_check_access(struct damon_ctx *ctx,
+static void __damon_va_check_access(struct damon_ctx *ctx,
 			       struct mm_struct *mm, struct damon_region *r)
 {
 	static struct mm_struct *last_mm;
@@ -551,7 +551,7 @@ unsigned int damon_va_check_accesses(struct damon_ctx *ctx)
 		if (!mm)
 			continue;
 		damon_for_each_region(r, t) {
-			damon_va_check_access(ctx, mm, r);
+			__damon_va_check_access(ctx, mm, r);
 			max_nr_accesses = max(r->nr_accesses, max_nr_accesses);
 		}
 		mmput(mm);