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Diffstat (limited to 'nuttx/mm/umm_addregion.c')
-rw-r--r--nuttx/mm/umm_addregion.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/nuttx/mm/umm_addregion.c b/nuttx/mm/umm_addregion.c
index 4293529f8..a0eb3002c 100644
--- a/nuttx/mm/umm_addregion.c
+++ b/nuttx/mm/umm_addregion.c
@@ -41,12 +41,29 @@
#include <nuttx/mm.h>
-#ifdef CONFIG_MM_USER_HEAP
+#ifdef MM_KERNEL_USRHEAP_INTF
/************************************************************************
* Pre-processor definition
************************************************************************/
+#if defined(CONFIG_ARCH_ADDRENV) && defined(CONFIG_BUILD_KERNEL)
+/* In the kernel build, there a multiple user heaps; one for each task
+ * group. In this build configuration, the user heap structure lies
+ * in a reserved region at the beginning of the .bss/.data address
+ * space (CONFIG_ARCH_DATA_VBASE). The size of that region is given by
+ * ARCH_DATA_RESERVE
+ */
+
+# include <nuttx/addrenv.h>
+# define USR_HEAP ((FAR struct mm_heap_s *)CONFIG_ARCH_DATA_VBASE)
+
+#else
+/* Otherwise, the user heap data structures are in common .bss */
+
+# define USR_HEAP &g_mmheap;
+#endif
+
/************************************************************************
* Private Types
************************************************************************/
@@ -82,7 +99,7 @@
void umm_addregion(FAR void *heap_start, size_t heap_size)
{
- mm_addregion(&g_mmheap, heap_start, heap_size);
+ mm_addregion(USR_HEAP, heap_start, heap_size);
}
-#endif /* CONFIG_MM_USER_HEAP */
+#endif /* MM_KERNEL_USRHEAP_INTF */