C++ (Cpp) ttm_mem_global_alloc_page Exemples

Exemple #1

Fichier : ttm_tt.c Projet : freedesktop-unofficial-mirror/mesa__vmwgfx

static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index)
{
	struct page *p;
	struct list_head h;
	struct ttm_mem_global *mem_glob = ttm->glob->mem_glob;
	int ret;

	while (NULL == (p = ttm->pages[index])) {

		INIT_LIST_HEAD(&h);

		ret = ttm_get_pages(&h, ttm->page_flags, ttm->caching_state, 1);

		if (ret != 0)
			return NULL;

		p = list_first_entry(&h, struct page, lru);

		ret = ttm_mem_global_alloc_page(mem_glob, p, false, false);
		if (unlikely(ret != 0))
			goto out_err;

		if (PageHighMem(p))
			ttm->pages[--ttm->first_himem_page] = p;
		else
			ttm->pages[++ttm->last_lomem_page] = p;
	}
	return p;
out_err:
	put_page(p);
	return NULL;
}

Exemple #2

Fichier : ttm_tt.c Projet : laudarch/simcom-linux-kernel

static struct page *__ttm_tt_get_page(struct ttm_tt *ttm, int index)
{
	struct page *p;
	struct ttm_mem_global *mem_glob = ttm->glob->mem_glob;
	int ret;

	while (NULL == (p = ttm->pages[index])) {
		p = ttm_tt_alloc_page(ttm->page_flags);

		if (!p)
			return NULL;

		ret = ttm_mem_global_alloc_page(mem_glob, p, false, false);
		if (unlikely(ret != 0))
			goto out_err;

		if (PageHighMem(p))
			ttm->pages[--ttm->first_himem_page] = p;
		else
			ttm->pages[++ttm->last_lomem_page] = p;
	}
	return p;
out_err:
	put_page(p);
	return NULL;
}