C++ (Cpp) free_contiguous_memory Exemples

Exemple #1

Fichier : ion_cp_common.c Projet : miing/lmkp_msm

static int ion_cp_change_mem_v2(unsigned int phy_base, unsigned int size,
			      void *data, int lock)
{
	enum cp_mem_usage usage = (enum cp_mem_usage) data;
	unsigned long *chunk_list;
	int nchunks;
	int ret;
	int i;

	if (usage < 0 || usage >= MAX_USAGE)
		return -EINVAL;

	if (!IS_ALIGNED(size, V2_CHUNK_SIZE)) {
		pr_err("%s: heap size is not aligned to %x\n",
			__func__, V2_CHUNK_SIZE);
		return -EINVAL;
	}

	nchunks = size / V2_CHUNK_SIZE;

	chunk_list = allocate_contiguous_ebi(sizeof(unsigned long)*nchunks,
						SZ_4K, 0);
	if (!chunk_list)
		return -ENOMEM;

	for (i = 0; i < nchunks; i++)
		chunk_list[i] = phy_base + i * V2_CHUNK_SIZE;

	ret = ion_cp_change_chunks_state(memory_pool_node_paddr(chunk_list),
					nchunks, V2_CHUNK_SIZE, usage, lock);

	free_contiguous_memory(chunk_list);
	return ret;
}

Exemple #2

Fichier : msm-buspm-dev.c Projet : BanBxda/m7-3.4.10-4-4-2

static void msm_buspm_dev_free(struct file *filp)
{
    struct msm_buspm_map_dev *dev = filp->private_data;

    if (dev) {
        pr_debug("freeing memory at 0x%p\n", dev->vaddr);
        free_contiguous_memory(dev->vaddr);
        dev->paddr = 0L;
        dev->vaddr = NULL;
    }
}