Commit f0ea22b5 authored Sep 07, 2021 by Dylan Hung Committed by Anas Nashif Sep 10, 2021

libc/minimal: locate the memory pool for malloc() to .bss



When CONFIG_USERSPACE is turned off, the POOL_SECTION will be located in
.data section.  This will increase the target binary size.  Since the
memory pool is for malloc() use and it doesn't need for initial values,
locate it in the .bss section to reduce binary size.

Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
Change-Id: Iee52ac06a48414c083518c79775fe31334eab674

parent ecbfc117

lib/libc/minimal/source/stdlib/malloc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -26,7 +26,7 @@ LOG_MODULE_DECLARE(os, CONFIG_KERNEL_LOG_LEVEL);
		K_APPMEM_PARTITION_DEFINE(z_malloc_partition);
		#define POOL_SECTION K_APP_DMEM_SECTION(z_malloc_partition)
		#else
		#define POOL_SECTION .data
		#define POOL_SECTION .bss
		#endif /* CONFIG_USERSPACE */

		#define HEAP_BYTES CONFIG_MINIMAL_LIBC_MALLOC_ARENA_SIZE

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