kernel: Remove supported size comments from HEAP_MEM_POOL_SIZE
The mempool implementation doesn't require specific sizes and can
support arbitrary sizes up to the limit of available memory. The
Kconfig documentation on this configuration was confusing user.
Fixes #20418
Signed-off-by: David Leach <david.leach@nxp.com>
diff --git a/doc/reference/kernel/memory/heap.rst b/doc/reference/kernel/memory/heap.rst
index fba17d9..1134547 100644
--- a/doc/reference/kernel/memory/heap.rst
+++ b/doc/reference/kernel/memory/heap.rst
@@ -124,7 +124,9 @@
:option:`CONFIG_HEAP_MEM_POOL_SIZE` configuration option.
By default, the heap memory pool size is zero bytes. This value instructs
-the kernel not to define the heap memory pool object.
+the kernel not to define the heap memory pool object. The maximum size is limited
+by the amount of available memory in the system. The project build will fail in
+the link stage if the size specified can not be supported.
Allocating Memory
=================
diff --git a/kernel/Kconfig b/kernel/Kconfig
index 702d908..89224a1 100644
--- a/kernel/Kconfig
+++ b/kernel/Kconfig
@@ -473,9 +473,9 @@
default 1024 if POSIX_MQUEUE
help
This option specifies the size of the heap memory pool used when
- dynamically allocating memory using k_malloc(). Supported values
- are: 256, 1024, 4096, and 16384. A size of zero means that no
- heap memory pool is defined.
+ dynamically allocating memory using k_malloc(). The maximum size of
+ the memory pool is only limited to available memory. A size of zero
+ means that no heap memory pool is defined.
config HEAP_MEM_POOL_MIN_SIZE
int "The smallest blocks in the heap memory pool (in bytes)"
