linux-4.4.1/dma_release_from_contiguous()

参照元†

linux-4.4.1/__alloc_from_contiguous()

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説明†

パス: linux-4.4.1/drivers/base/dma-contiguous.c

FIXME: これは何？
- 説明

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引数†

struct device *dev
- linux-4.4.1/device
struct page *pages
- linux-4.4.1/page
int count

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返り値†

bool

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参考†

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実装†

/**
 * dma_release_from_contiguous() - release allocated pages
 * @dev:   Pointer to device for which the pages were allocated.
 * @pages: Allocated pages.
 * @count: Number of allocated pages.
 *
 * This function releases memory allocated by dma_alloc_from_contiguous().
 * It returns false when provided pages do not belong to contiguous area and
 * true otherwise.
 */
bool dma_release_from_contiguous(struct device *dev, struct page *pages,
                                 int count)
{
        return cma_release(dev_get_cma_area(dev), pages, count);