diff --git a/mm/kfence/core.c b/mm/kfence/core.c
index 4e7cd4c8e687..4b5e5a3d3a63 100644
--- a/mm/kfence/core.c
+++ b/mm/kfence/core.c
@@ -360,6 +360,9 @@ static void *kfence_guarded_alloc(struct kmem_cache *cache, size_t size, gfp_t g
 	unsigned long flags;
 	struct slab *slab;
 	void *addr;
+	const bool random_right_allocate = prandom_u32_max(2);
+	const bool random_fault = CONFIG_KFENCE_STRESS_TEST_FAULTS &&
+				  !prandom_u32_max(CONFIG_KFENCE_STRESS_TEST_FAULTS);
 
 	/* Try to obtain a free object. */
 	raw_spin_lock_irqsave(&kfence_freelist_lock, flags);
@@ -404,7 +407,7 @@ static void *kfence_guarded_alloc(struct kmem_cache *cache, size_t size, gfp_t g
 	 * is that the out-of-bounds accesses detected are deterministic for
 	 * such allocations.
 	 */
-	if (prandom_u32_max(2)) {
+	if (random_right_allocate) {
 		/* Allocate on the "right" side, re-calculate address. */
 		meta->addr += PAGE_SIZE - size;
 		meta->addr = ALIGN_DOWN(meta->addr, cache->align);
@@ -444,7 +447,7 @@ static void *kfence_guarded_alloc(struct kmem_cache *cache, size_t size, gfp_t g
 	if (cache->ctor)
 		cache->ctor(addr);
 
-	if (CONFIG_KFENCE_STRESS_TEST_FAULTS && !prandom_u32_max(CONFIG_KFENCE_STRESS_TEST_FAULTS))
+	if (random_fault)
 		kfence_protect(meta->addr); /* Random "faults" by protecting the object. */
 
 	atomic_long_inc(&counters[KFENCE_COUNTER_ALLOCATED]);