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-rw-r--r--src/vlib/buffer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vlib/buffer.c b/src/vlib/buffer.c
index 2f15e6530da..22cf7999be7 100644
--- a/src/vlib/buffer.c
+++ b/src/vlib/buffer.c
@@ -860,7 +860,7 @@ vlib_buffer_register_physmem_map (vlib_main_t * vm, u32 physmem_map_index)
vlib_buffer_pool_t *p;
vlib_physmem_map_t *m = vlib_physmem_get_map (vm, physmem_map_index);
uword start = pointer_to_uword (m->base);
- uword size = m->n_pages << m->log2_page_size;
+ uword size = (uword) m->n_pages << m->log2_page_size;
if (bm->buffer_mem_size == 0)
{