C++ (Cpp) ttm_mem_global_free_pageの例

コード例 #1

ファイル: ttm_tt.c プロジェクト: laudarch/simcom-linux-kernel

static void ttm_tt_free_alloced_pages(struct ttm_tt *ttm)
{
	int i;
	struct page *cur_page;
	struct ttm_backend *be = ttm->be;

	if (be)
		be->func->clear(be);
	(void)ttm_tt_set_caching(ttm, tt_cached);
	for (i = 0; i < ttm->num_pages; ++i) {
		cur_page = ttm->pages[i];
		ttm->pages[i] = NULL;
		if (cur_page) {
			if (page_count(cur_page) != 1)
				printk(KERN_ERR TTM_PFX
				       "Erroneous page count. "
				       "Leaking pages.\n");
			ttm_mem_global_free_page(ttm->glob->mem_glob,
						 cur_page);
			__free_page(cur_page);
		}
	}
	ttm->state = tt_unpopulated;
	ttm->first_himem_page = ttm->num_pages;
	ttm->last_lomem_page = -1;
}

コード例 #2

ファイル: ttm_tt.c プロジェクト: freedesktop-unofficial-mirror/mesa__vmwgfx

static void ttm_tt_free_alloced_pages(struct ttm_tt *ttm)
{
	int i;
	unsigned count = 0;
	struct list_head h;
	struct page *cur_page;
	struct ttm_backend *be = ttm->be;

	INIT_LIST_HEAD(&h);

	if (be)
		be->func->clear(be);
	for (i = 0; i < ttm->num_pages; ++i) {

		cur_page = ttm->pages[i];
		ttm->pages[i] = NULL;
		if (cur_page) {
			if (page_count(cur_page) != 1)
				printk(KERN_ERR TTM_PFX
				       "Erroneous page count. "
				       "Leaking pages.\n");
			ttm_mem_global_free_page(ttm->glob->mem_glob,
						 cur_page);
			list_add(&cur_page->lru, &h);
			count++;
		}
	}
	ttm_put_pages(&h, count, ttm->page_flags, ttm->caching_state);
	ttm->state = tt_unpopulated;
	ttm->first_himem_page = ttm->num_pages;
	ttm->last_lomem_page = -1;
}

コード例 #3

ファイル: ttm_tt.c プロジェクト: kaustubh-kabra/xenified-jeremy-kernel-

static void ttm_tt_free_alloced_pages(struct ttm_tt *ttm)
{
	int i;
	struct page *cur_page;
	struct ttm_backend *be = ttm->be;
	void *addr;

	if (be)
		be->func->clear(be);
	(void)ttm_tt_set_caching(ttm, tt_cached);
	for (i = 0; i < ttm->num_pages; ++i) {
		cur_page = ttm->pages[i];
		ttm->pages[i] = NULL;
		if (cur_page) {
			if (page_count(cur_page) != 1)
				printk(KERN_ERR TTM_PFX
				       "Erroneous page count. "
				       "Leaking pages.\n");
			ttm_mem_global_free_page(ttm->glob->mem_glob,
						 cur_page);

			if ((ttm->page_flags & TTM_PAGE_FLAG_DMA32) &&
				xen_pv_domain()) {
				addr = page_address(cur_page);
				WARN_ON(!addr);
				if (addr)
					dma_free_coherent(NULL, PAGE_SIZE, addr,
						  virt_to_bus(addr));
			} else
				__free_page(cur_page);
		}
	}
	ttm->state = tt_unpopulated;
	ttm->first_himem_page = ttm->num_pages;
	ttm->last_lomem_page = -1;
}