Merge tag 'memblock-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock updates from Mike Rapoport:
 "Test suite and a small cleanup:

   - A small cleanup of unused variable in __next_mem_pfn_range_in_zone

   - Initial test suite to simulate memblock behaviour in userspace"

* tag 'memblock-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock: (27 commits)
  memblock tests: Add TODO and README files
  memblock tests: Add memblock_alloc_try_nid tests for bottom up
  memblock tests: Add memblock_alloc_try_nid tests for top down
  memblock tests: Add memblock_alloc_from tests for bottom up
  memblock tests: Add memblock_alloc_from tests for top down
  memblock tests: Add memblock_alloc tests for bottom up
  memblock tests: Add memblock_alloc tests for top down
  memblock tests: Add simulation of physical memory
  memblock tests: Split up reset_memblock function
  memblock tests: Fix testing with 32-bit physical addresses
  memblock: __next_mem_pfn_range_in_zone: remove unneeded local variable nid
  memblock tests: Add memblock_free tests
  memblock tests: Add memblock_add_node test
  memblock tests: Add memblock_remove tests
  memblock tests: Add memblock_reserve tests
  memblock tests: Add memblock_add tests
  memblock tests: Add memblock reset function
  memblock tests: Add skeleton of the memblock simulator
  tools/include: Add debugfs.h stub
  tools/include: Add pfn.h stub
  ...

1 files changed, 42 insertions, 0 deletions

diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h
new file mode 100644
index 000000000000..a03d9bba5151
--- /dev/null
+++ b/tools/include/linux/mm.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _TOOLS_LINUX_MM_H
+#define _TOOLS_LINUX_MM_H
+
+#include <linux/mmzone.h>
+#include <uapi/linux/const.h>
+
+#define PAGE_SHIFT		12
+#define PAGE_SIZE		(_AC(1, UL) << PAGE_SHIFT)
+#define PAGE_MASK		(~(PAGE_SIZE - 1))
+
+#define PHYS_ADDR_MAX	(~(phys_addr_t)0)
+
+#define __ALIGN_KERNEL(x, a)		__ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
+#define __ALIGN_KERNEL_MASK(x, mask)	(((x) + (mask)) & ~(mask))
+#define ALIGN(x, a)			__ALIGN_KERNEL((x), (a))
+#define ALIGN_DOWN(x, a)		__ALIGN_KERNEL((x) - ((a) - 1), (a))
+
+#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
+
+#define __va(x) ((void *)((unsigned long)(x)))
+#define __pa(x) ((unsigned long)(x))
+
+#define pfn_to_page(pfn) ((void *)((pfn) * PAGE_SIZE))
+
+#define phys_to_virt phys_to_virt
+static inline void *phys_to_virt(unsigned long address)
+{
+	return __va(address);
+}
+
+void reserve_bootmem_region(phys_addr_t start, phys_addr_t end);
+
+static inline void totalram_pages_inc(void)
+{
+}
+
+static inline void totalram_pages_add(long count)
+{
+}
+
+#endif