Hello,
On Wed, Dec 25, 2024 at 04:16:06PM -0300, dnie...@gmail.com wrote:
>
> +/*
> + * Enforces the VM limit of a target map.
> + */
> +static kern_return_t
> +vm_map_enforce_limit(
> + vm_map_t map,
> + vm_size_t size,
> + const char *fn_name)
> +{
> + /* Limit is ignored for the kernel map */
> + if (vm_map_pmap(map) == kernel_pmap) {
> + return KERN_SUCCESS;
> + }
> +
> + /* Avoid taking into account the total VM_PROT_NONE virtual memory */
> + vm_size_t usable_size = map->size - map->size_none;
> + vm_size_t new_size = size + usable_size;
> + /* Check for integer overflow */
> + if (new_size < size) {
> + return KERN_INVALID_ARGUMENT;
> + }
> +
> + if (new_size > map->size_cur_limit) {
> + task_t task = current_task();
> + printf("[%s] [task %s] map size: %lu, none: %lu, requested:
> %lu, limit: %lu\n",
> + fn_name, task->name, map->size, map->size_none, size,
> map->size_cur_limit);
Should I drop the printf here now that vm_map_print also prints this
information?
--
Diego
