[PATCH] memblock tests: Fix mutex related build error

[PATCH] memblock tests: Fix mutex related build error

[Masami Hiramatsu (Google)]

From: Masami Hiramatsu (Google) <mhiramat@kernel.org>

Fix mutex and free_reserved_area() related build errors which have
been introduced by commit 74e2498ccf7b ("mm/memblock: Add reserved
memory release function").

Fixes: 74e2498ccf7b ("mm/memblock: Add reserved memory release function")
Reported-by: Wei Yang <richard.weiyang@gmail.com>
Closes: https://lore.kernel.org/all/20250405023018.g2ae52nrz2757b3n@master/
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---
 tools/testing/memblock/internal.h    |    6 ++++++
 tools/testing/memblock/linux/mutex.h |   14 ++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 tools/testing/memblock/linux/mutex.h

diff --git a/tools/testing/memblock/internal.h b/tools/testing/memblock/internal.h
index 1cf82acb2a3e..0ab4b53bb4f3 100644
--- a/tools/testing/memblock/internal.h
+++ b/tools/testing/memblock/internal.h
@@ -24,4 +24,10 @@ static inline void accept_memory(phys_addr_t start, unsigned long size)
 {
 }
 
+static inline unsigned long free_reserved_area(void *start, void *end,
+					       int poison, const char *s)
+{
+	return 0;
+}
+
 #endif
diff --git a/tools/testing/memblock/linux/mutex.h b/tools/testing/memblock/linux/mutex.h
new file mode 100644
index 000000000000..ae3f497165d6
--- /dev/null
+++ b/tools/testing/memblock/linux/mutex.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _MUTEX_H
+#define _MUTEX_H
+
+#define DEFINE_MUTEX(name) int name
+
+static inline void dummy_mutex_guard(int *name)
+{
+}
+
+#define guard(mutex)	\
+	dummy_##mutex##_guard
+
+#endif /* _MUTEX_H */
\ No newline at end of file

Re: [PATCH] memblock tests: Fix mutex related build error

[Mike Rapoport]

On Mon, 07 Apr 2025 10:43:51 +0900, Masami Hiramatsu (Google) wrote:
> Fix mutex and free_reserved_area() related build errors which have
> been introduced by commit 74e2498ccf7b ("mm/memblock: Add reserved
> memory release function").
> 
> 

Applied to fixes branch of memblock.git tree, thanks!

[1/1] memblock tests: Fix mutex related build error
      commit: ed471e1984939a500eea179bc16e1c2aadf00db5

tree: https://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
branch: fixes

--
Sincerely yours,
Mike.