:orphan:

.. title:: CONFIG_SYS_HEAP_BIG_ONLY

.. kconfig:: CONFIG_SYS_HEAP_BIG_ONLY

CONFIG_SYS_HEAP_BIG_ONLY
########################

*Support for big heaps only*

Type: ``bool``

Help
====

.. code-block:: none

    Select this to optimize the code for big heaps only. This can
    accommodate any heap size but memory usage won't be as
    efficient with small sized heaps.

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

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

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

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



At ``<Library>/os/Kconfig.heap:83``

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_BIG_ONLY
    	bool "Support for big heaps only"
    	depends on <choice>
    	help
    	  Select this to optimize the code for big heaps only. This can
    	  accommodate any heap size but memory usage won't be as
    	  efficient with small sized heaps.

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