dma-pool: get rid of dma_in_atomic_pool() (23e469be) · Commits · 戴 / test

kernel/dma/pool.c

+1 −10

Original line number	Diff line number	Diff line
		@@ -217,15 +217,6 @@ static inline struct gen_pool dev_to_pool(struct device dev)
		return atomic_pool_kernel;
		}

		static bool dma_in_atomic_pool(struct device dev, void start, size_t size)
		{
		struct gen_pool *pool = dev_to_pool(dev);

		if (unlikely(!pool))
		return false;
		return gen_pool_has_addr(pool, (unsigned long)start, size);
		}

		void dma_alloc_from_pool(struct device dev, size_t size,
		struct page **ret_page, gfp_t flags)
		{
		@@ -260,7 +251,7 @@ bool dma_free_from_pool(struct device dev, void start, size_t size)
		{
		struct gen_pool *pool = dev_to_pool(dev);

		if (!dma_in_atomic_pool(dev, start, size))
		if (!pool \|\| !gen_pool_has_addr(pool, (unsigned long)start, size))
		return false;
		gen_pool_free(pool, (unsigned long)start, size);
		return true;