:orphan:

.. title:: CONFIG_SYS_HEAP_AUTO

.. kconfig:: CONFIG_SYS_HEAP_AUTO

CONFIG_SYS_HEAP_AUTO
####################

*Support for both small and big heaps at run time*

Type: ``bool``

Help
====

.. code-block:: none

    This option optimizes memory usage for each heap according to
    their size albeit with some overhead in code size and execution.

Direct dependencies
===================

\ :ref:`<choice: Supported heap sizes> <choice_412>`

*(Includes any dependencies from ifs and menus.)*

Kconfig definition
==================



At ``<Library>/os/Kconfig.heap:90``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:43`` → ``<Library>/Kconfig:10`` → ``<Library>/os/Kconfig:88``

Menu path: (Top) → Additional libraries → OS Support Library → Heap and Memory Allocation → Supported heap sizes

.. code-block:: kconfig

    config SYS_HEAP_AUTO
    	bool "Support for both small and big heaps at run time"
    	depends on <choice>
    	help
    	  This option optimizes memory usage for each heap according to
    	  their size albeit with some overhead in code size and execution.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*