linux-kernel - [PATCH v2 1/5] memblock test: fix implicit declaration of function 'virt_to

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Message-Id: <20240729014725.29839-1-richard.weiyang@gmail.com>
Date: Mon, 29 Jul 2024 01:47:21 +0000
From: Wei Yang <richard.weiyang@...il.com>
To: rppt@...nel.org,
	richard.weiyang@...il.com
Cc: linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: [PATCH v2 1/5] memblock test: fix implicit declaration of function 'virt_to_phys'

Commit 94ff46de4a73 ("memblock: Move late alloc warning down to phys
alloc") introduce the usage of virt_to_phys(), which is not defined in
memblock tests.

Define it in mm.h to fix the build error.

Signed-off-by: Wei Yang <richard.weiyang@...il.com>

---
v2: move definition to mm.h
---
 tools/include/linux/mm.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h
index cad4f2927983..9db45c5d00fc 100644
--- a/tools/include/linux/mm.h
+++ b/tools/include/linux/mm.h
@@ -20,6 +20,8 @@
 #define pfn_to_page(pfn) ((void *)((pfn) * PAGE_SIZE))
 
 #define phys_to_virt phys_to_virt
+#define virt_to_phys(p) ((unsigned long)p)
+
 static inline void *phys_to_virt(unsigned long address)
 {
 	return __va(address);
-- 
2.34.1