| Message ID | 20210222070701.16416-3-coxu@redhat.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | Reducing memory usage of i40e for kdump | expand |
| Context | Check | Description |
|---|---|---|
| netdev/cover_letter | success | Link |
| netdev/fixes_present | success | Link |
| netdev/patch_count | success | Link |
| netdev/tree_selection | success | Guessed tree name to be net-next |
| netdev/subject_prefix | warning | Target tree name not specified in the subject |
| netdev/cc_maintainers | success | CCed 6 of 6 maintainers |
| netdev/source_inline | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Link |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/build_32bit | success | Errors and warnings before: 4 this patch: 4 |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/verify_fixes | success | Link |
| netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 11 lines checked |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 4 this patch: 4 |
| netdev/header_inline | success | Link |
| netdev/stable | success | Stable not CCed |
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 069c86e2f69d..5307f1744766 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -10552,6 +10552,11 @@ 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; }
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> --- drivers/net/ethernet/intel/i40e/i40e_main.c | 5 +++++ 1 file changed, 5 insertions(+)