memblock tests: Add skeleton of the memblock simulator

Add basic project files, together with local stubs of required headers.
Update tools/include/slab.h to include definitions used by memblock.

Signed-off-by: Karolina Drobnik <karolinadrobnik@gmail.com>
Signed-off-by: Mike Rapoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/d296fceb023a04b316a31fbff9acf1e76ac684e4.1643796665.git.karolinadrobnik@gmail.com

1 files changed, 20 insertions, 0 deletions

diff --git a/tools/testing/memblock/mmzone.c b/tools/testing/memblock/mmzone.c
new file mode 100644
index 000000000000..7b0909e8b759
--- /dev/null
+++ b/tools/testing/memblock/mmzone.c
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <linux/mmzone.h>
+
+struct pglist_data *first_online_pgdat(void)
+{
+	return NULL;
+}
+
+struct pglist_data *next_online_pgdat(struct pglist_data *pgdat)
+{
+	return NULL;
+}
+
+void reserve_bootmem_region(phys_addr_t start, phys_addr_t end)
+{
+}
+
+void atomic_long_set(atomic_long_t *v, long i)
+{
+}