Commit acd8f0e5 authored by Andrzej Hajda's avatar Andrzej Hajda Committed by Jakub Kicinski
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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: default avatarAndrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: default avatarAndi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 227c6c83

lib/ref_tracker.c

+3 −2
Original line number Diff line number Diff line
@@ -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) {