netmap_ring request size 65792 too large

[Jack-wx]

sudo ./pkt-gen -i eth1 -v -f txseq -c 2 -p 2 -b 512 tx 1024 -v
dmesg output:
[56818.530359] 907.096685 [1134] generic_netmap_attach Emulated adapter for eth1 created (prev was NULL)
[56818.530363] 907.096689 [1989] netmap_interp_ringid eth1: tx [0,1) rx [0,1) id 0
[56818.530366] 907.096692 [1026] netmap_obj_malloc netmap_ring request size 65792 too large
[56818.531071] 907.097398 [2001] netmap_mem2_rings_create Cannot allocate RX_ring
[56818.531633] 907.097960 [ 433] netmap_init_obj_allocator_bitmap netmap_if free 100
[56818.531634] 907.097961 [ 433] netmap_init_obj_allocator_bitmap netmap_ring free 200
[56818.531909] 907.098236 [ 433] netmap_init_obj_allocator_bitmap netmap_buf free 163840
[56818.531911] 907.098238 [1039] generic_netmap_dtor Emulated netmap adapter for eth1 destroyed

don't kown how to solve this? Is there any addvise?

[Jack-wx]

I notice this:
buf_curr_num 163840, buf_num 163840.
buf_curr_size 2048, buf_size 2048
Is that right?
How can I modify buf_curr_num parameter