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i40e: use minimal Rx and Tx ring buffers for kdump

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Use the minimum of the number of descriptors thus we will allocate the
minimal ring buffers for kdump.

Signed-off-by: Coiby Xu <coxu@redhat.com>
Tested-by: Dave Switzer <david.switzer@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Coiby Xu
2021-03-04 10:55:42 +08:00
committed by Tony Nguyen
parent 065aa694a7
commit dcb75338f6
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/intel/i40e/i40e_main.c
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@@ -11040,6 +11040,11 @@ static int i40e_set_num_rings_in_vsi(struct i40e_vsi *vsi)
return -ENODATA;
}
if (is_kdump_kernel()) {
vsi->num_tx_desc = I40E_MIN_NUM_DESCRIPTORS;
vsi->num_rx_desc = I40E_MIN_NUM_DESCRIPTORS;
}
return 0;
}