1 files changed, 6 insertions, 1 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 1bfefc6f96a4..dbd9b8d7b7cc 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -287,6 +287,11 @@ static void set_max_threads(unsigned int max_threads_suggested)
         max_threads = clamp_t(u64, threads, MIN_THREADS, MAX_THREADS);
 }
 
+#ifdef CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT
+/* Initialized by the architecture: */
+int arch_task_struct_size __read_mostly;
+#endif
+
 void __init fork_init(void)
 {
 #ifndef CONFIG_ARCH_TASK_STRUCT_ALLOCATOR
@@ -295,7 +300,7 @@ void __init fork_init(void)
 #endif
         /* create a slab on which task_structs can be allocated */
         task_struct_cachep =
-                kmem_cache_create("task_struct", sizeof(struct task_struct),
+                kmem_cache_create("task_struct", arch_task_struct_size,
                         ARCH_MIN_TASKALIGN, SLAB_PANIC | SLAB_NOTRACK, NULL);
 #endif