megaraid_sas: reduce memory footprints in kdump mode

[cascardo/linux.git] / drivers / scsi / megaraid / megaraid_sas_fusion.c

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 98a848b..320c1a0 100644 (file)
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -257,6 +257,9 @@ megasas_fusion_update_can_queue(struct megasas_instance *instance, int fw_boot_c
                if (!instance->is_rdpq)
                        instance->max_fw_cmds = min_t(u16, instance->max_fw_cmds, 1024);
 
+               if (reset_devices)
+                       instance->max_fw_cmds = min(instance->max_fw_cmds,
+                                               (u16)MEGASAS_KDUMP_QUEUE_DEPTH);
                /*
                * Reduce the max supported cmds by 1. This is to ensure that the
                * reply_q_sz (1 more than the max cmd that driver may send)