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The following table describes the macros for configuring the kernel heap memory. You can configure them as required in the target_config.h file.
Table 1 Macros for configuring the kernel heap memory
| Macro | Description |
|---|---|
| LOSCFG_SYS_EXTERNAL_HEAP | Specifies whether the internal kernel heap memory or the user heap memory will be used. The default value is 0 and indicates that the internal heap memory whose size is 0x10000 will be used. If you want to use the external heap memory, set this macro to 1. |
| LOSCFG_SYS_HEAP_ADDR | Specifies the start address of the kernel heap memory. |
| LOSCFG_SYS_HEAP_SIZE | Specifies the size of the kernel heap memory, that is, size of the memory block specified by LOSCFG_SYS_HEAP_ADDR. |
NOTE Ensure that the specified heap memory range is not used by other modules. Otherwise, functions of the heap memory will be damaged due to the heap memory corruption.
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