C++ (Cpp) balloon_pfn_to_page示例

示例#1

文件： virtio_balloon.c 项目： IDM350/linux

static void release_pages_by_pfn(const u32 pfns[], unsigned int num)
{
	unsigned int i;

	/* Find pfns pointing at start of each page, get pages and free them. */
	for (i = 0; i < num; i += VIRTIO_BALLOON_PAGES_PER_PAGE) {
		struct page *page = balloon_pfn_to_page(pfns[i]);
		balloon_page_free(page);
		adjust_managed_page_count(page, 1);
	}
}

示例#2

文件： virtio_balloon.c 项目： Chong-Li/cse522

static void release_pages_balloon(struct virtio_balloon *vb)
{
	unsigned int i;

	/* Find pfns pointing at start of each page, get pages and free them. */
	for (i = 0; i < vb->num_pfns; i += VIRTIO_BALLOON_PAGES_PER_PAGE) {
		struct page *page = balloon_pfn_to_page(vb->pfns[i]);
		if (!virtio_has_feature(vb->vdev,
					VIRTIO_BALLOON_F_DEFLATE_ON_OOM))
			adjust_managed_page_count(page, 1);
		put_page(page); /* balloon reference */
	}
}