linux-kernel - [PATCH v4 1/5] memblock test: fix implicit declaration of function 'virt_to

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Message-Id: <20240806010319.29194-1-richard.weiyang@gmail.com>
Date: Tue,  6 Aug 2024 01:03:15 +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 v4 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>

---
v4: fix return type
v3: use static inline as phys_to_virt
v2: move definition to mm.h
---
 tools/include/linux/mm.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/include/linux/mm.h b/tools/include/linux/mm.h
index cad4f2927983..677c37e4a18c 100644
--- a/tools/include/linux/mm.h
+++ b/tools/include/linux/mm.h
@@ -25,6 +25,12 @@ static inline void *phys_to_virt(unsigned long address)
 	return __va(address);
 }
 
+#define virt_to_phys virt_to_phys
+static inline phys_addr_t virt_to_phys(volatile void *address)
+{
+	return (phys_addr_t)address;
+}
+
 void reserve_bootmem_region(phys_addr_t start, phys_addr_t end, int nid);
 
 static inline void totalram_pages_inc(void)
-- 
2.34.1