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-rw-r--r--src/vlib/buffer.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vlib/buffer.c b/src/vlib/buffer.c
index 6ba82584fcd..a517a5972aa 100644
--- a/src/vlib/buffer.c
+++ b/src/vlib/buffer.c
@@ -44,6 +44,7 @@
*/
#include <vlib/vlib.h>
+#include <vlib/unix/unix.h>
uword
vlib_buffer_length_in_chain_slow_path (vlib_main_t * vm,
@@ -583,6 +584,11 @@ alloc_from_free_list (vlib_main_t * vm,
dst = alloc_buffers;
+ /* wait with buffer memory allocation as long as possible
+ in case external buffer manager takes over */
+ if (PREDICT_FALSE (vm->os_physmem_alloc_aligned == 0))
+ unix_physmem_init (vm, 0 /* fail_if_physical_memory_not_present */ );
+
n_filled = fill_free_list (vm, free_list, n_alloc_buffers);
if (n_filled == 0)
return 0;