lib/ref_tracker: remove warnings in case of allocation failure

Library can handle allocation failures. To avoid allocation warnings __GFP_NOWARN has been added everywhere. Moreover GFP_ATOMIC has been replaced with GFP_NOWAIT in case of stack allocation on tracker free call. Signed-off-by: Andrzej Hajda <[email protected]> Reviewed-by: Andi Shyti <[email protected]> Reviewed-by: Eric Dumazet <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
kdave · Jun 5, 2023 · acd8f0e · acd8f0e
1 parent 227c6c8
commit acd8f0e
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/ref_tracker.c b/lib/ref_tracker.c
@@ -189,7 +189,7 @@ int ref_tracker_alloc(struct ref_tracker_dir *dir,
 	unsigned long entries[REF_TRACKER_STACK_ENTRIES];
 	struct ref_tracker *tracker;
 	unsigned int nr_entries;
-	gfp_t gfp_mask = gfp;
+	gfp_t gfp_mask = gfp | __GFP_NOWARN;
 	unsigned long flags;
 
 	WARN_ON_ONCE(dir->dead);
@@ -237,7 +237,8 @@ int ref_tracker_free(struct ref_tracker_dir *dir,
 		return -EEXIST;
 	}
 	nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 1);
-	stack_handle = stack_depot_save(entries, nr_entries, GFP_ATOMIC);
+	stack_handle = stack_depot_save(entries, nr_entries,
+					GFP_NOWAIT | __GFP_NOWARN);
 
 	spin_lock_irqsave(&dir->lock, flags);
 	if (tracker->dead) {