@@ -483,11 +483,17 @@ static void *kmalloc_reserve(unsigned int *size, gfp_t flags, int node,
bool *pfmemalloc)
{
bool ret_pfmemalloc = false;
- unsigned int obj_size;
+ size_t obj_size;
void *obj;
obj_size = SKB_HEAD_ALIGN(*size);
- *size = obj_size = kmalloc_size_roundup(obj_size);
+
+ obj_size = kmalloc_size_roundup(obj_size);
+ /* The following cast might truncate high-order bits of obj_size, this
+ * is harmless because kmalloc(obj_size >= 2^32) will fail anyway.
+ */
+ *size = (unsigned int)obj_size;
+
/*
* Try a regular allocation, when that fails and we're not entitled
* to the reserves, fail.