Don't use pinned memory when unnecessary (#17832)

Reports of excessive GPU memory usage and errors
from cudaHostRegister. There are some cases where pinning is
not required.

core/src/fetch_stage.rs

@@ -113,6 +113,7 @@ impl FetchStage {
                 recycler.clone(),
                 "fetch_stage",
                 coalesce_ms,
+                true,
             )
         });
 
@@ -125,6 +126,7 @@ impl FetchStage {
                 recycler.clone(),
                 "fetch_forward_stage",
                 coalesce_ms,
+                true,
             )
         });
 

core/src/serve_repair.rs

@@ -515,7 +515,7 @@ impl ServeRepair {
 
             if let Some(packet) = packet {
                 inc_new_counter_debug!("serve_repair-window-request-ledger", 1);
-                return Some(Packets::new_with_recycler_data(
+                return Some(Packets::new_unpinned_with_recycler_data(
                     recycler,
                     "run_window_request",
                     vec![packet],
@@ -555,7 +555,7 @@ impl ServeRepair {
                 from_addr,
                 nonce,
             )?;
-            return Some(Packets::new_with_recycler_data(
+            return Some(Packets::new_unpinned_with_recycler_data(
                 recycler,
                 "run_highest_window_request",
                 vec![packet],
@@ -572,7 +572,7 @@ impl ServeRepair {
         max_responses: usize,
         nonce: Nonce,
     ) -> Option<Packets> {
-        let mut res = Packets::new_with_recycler(recycler.clone(), 64, "run_orphan");
+        let mut res = Packets::new_unpinned_with_recycler(recycler.clone(), 64, "run_orphan");
         if let Some(blockstore) = blockstore {
             // Try to find the next "n" parent slots of the input slot
             while let Ok(Some(meta)) = blockstore.meta(slot) {

core/src/serve_repair_service.rs

@@ -33,6 +33,7 @@ impl ServeRepairService {
             Recycler::default(),
             "serve_repair_receiver",
             1,
+            false,
         );
         let (response_sender, response_receiver) = channel();
         let t_responder =

core/src/shred_fetch_stage.rs

@@ -150,6 +150,7 @@ impl ShredFetchStage {
                     recycler.clone(),
                     "packet_modifier",
                     1,
+                    true,
                 )
             })
             .collect();