test/mem_region: fix incorrect ibm,os-reserve region length

We were reserving all of memory up to the heap, which is fine
*unless* the system libc chooses to allocate something in that
block of memory that we use, which means we have overlapping
regions and general pain.

This should fix failing unit tests on some systems (e.g. Debian)

Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/core/test/run-mem_region_release_unused_noalloc.c b/core/test/run-mem_region_release_unused_noalloc.c
index 2a9f641..a79485b 100644
--- a/core/test/run-mem_region_release_unused_noalloc.c
+++ b/core/test/run-mem_region_release_unused_noalloc.c
@@ -110,9 +110,10 @@ int main(void)
 	const char *last;
 
 	/* Use malloc for the heap, so valgrind can find issues. */
-	skiboot_heap.start = (unsigned long)malloc(TEST_HEAP_SIZE);
+	skiboot_heap.start = 0;
 	skiboot_heap.len = TEST_HEAP_SIZE;
-	skiboot_os_reserve.len = skiboot_heap.start;
+	skiboot_os_reserve.start = 0;
+	skiboot_os_reserve.len = 0;
 
 	dt_root = dt_new_root("");
 	dt_add_property_cells(dt_root, "#address-cells", 2);
@@ -163,6 +164,5 @@ int main(void)
 	}
 
 	dt_free(dt_root);
-	free((void *)(long)skiboot_heap.start);
 	return 0;
 }