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-rw-r--r--src/vlib/node.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vlib/node.c b/src/vlib/node.c
index 2e93b9598eb..3838d950040 100644
--- a/src/vlib/node.c
+++ b/src/vlib/node.c
@@ -446,7 +446,7 @@ register_node (vlib_main_t * vm, vlib_node_registration_t * r)
clib_memset (p, 0, sizeof (p[0]));
p->log2_n_stack_bytes = log2_n_stack_bytes;
- stack_bytes = 1 << log2_n_stack_bytes;
+ stack_bytes = 1ULL << log2_n_stack_bytes;
/* map stack size + 2 extra guard pages */
map = mmap (0, stack_bytes + page_size, PROT_READ | PROT_WRITE,
mmap_flags, -1, 0);