1 files changed, 10 insertions, 0 deletions
diff --git a/mm/kfence/core.c b/mm/kfence/core.c
index 9b2b5f56f4ae..11a954763be9 100644
--- a/mm/kfence/core.c
+++ b/mm/kfence/core.c
@@ -621,6 +621,16 @@ static bool __init kfence_init_pool_early(void)
 	 * fails for the first page, and therefore expect addr==__kfence_pool in
 	 * most failure cases.
 	 */
+	for (char *p = (char *)addr; p < __kfence_pool + KFENCE_POOL_SIZE; p += PAGE_SIZE) {
+		struct slab *slab = virt_to_slab(p);
+
+		if (!slab)
+			continue;
+#ifdef CONFIG_MEMCG
+		slab->memcg_data = 0;
+#endif
+		__folio_clear_slab(slab_folio(slab));
+	}
 	memblock_free_late(__pa(addr), KFENCE_POOL_SIZE - (addr - (unsigned long)__kfence_pool));
 	__kfence_pool = NULL;
 	return false;