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Commit eca356ec authored by qctecmdr Service's avatar qctecmdr Service Committed by Gerrit - the friendly Code Review server
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Merge "ion: fix the return value of shrinkers"

parents 469e6b1d 7181fd0b

drivers/staging/android/ion/ion_cma_secure_heap.c

+6 −4
Original line number Diff line number Diff line
@@ -353,8 +353,8 @@ static void ion_secure_cma_free_chunk(struct ion_cma_secure_heap *sheap, 
	kfree(chunk);

}



static void __ion_secure_cma_shrink_pool(struct ion_cma_secure_heap *sheap,

					 int max_nr)

static unsigned long

__ion_secure_cma_shrink_pool(struct ion_cma_secure_heap *sheap, int max_nr)

{

	struct list_head *entry, *_n;

	unsigned long drained_size = 0, skipped_size = 0;
@@ -378,6 +378,7 @@ static void __ion_secure_cma_shrink_pool(struct ion_cma_secure_heap *sheap, 
	}



	trace_ion_secure_cma_shrink_pool_end(drained_size, skipped_size);

	return drained_size;

}



int ion_secure_cma_drain_pool(struct ion_heap *heap, void *unused)
@@ -395,6 +396,7 @@ int ion_secure_cma_drain_pool(struct ion_heap *heap, void *unused) 
static unsigned long ion_secure_cma_shrinker(struct shrinker *shrinker,

					     struct shrink_control *sc)

{

	unsigned long freed;

	struct ion_cma_secure_heap *sheap = container_of(shrinker,

					struct ion_cma_secure_heap, shrinker);

	int nr_to_scan = sc->nr_to_scan;
@@ -407,11 +409,11 @@ static unsigned long ion_secure_cma_shrinker(struct shrinker *shrinker, 
	if (!mutex_trylock(&sheap->chunk_lock))

		return -EAGAIN;



	__ion_secure_cma_shrink_pool(sheap, nr_to_scan);

	freed = __ion_secure_cma_shrink_pool(sheap, nr_to_scan);



	mutex_unlock(&sheap->chunk_lock);



	return atomic_read(&sheap->total_pool_size);

	return freed;

}



static unsigned long ion_secure_cma_shrinker_count(struct shrinker *shrinker,