sw64: fix the compilation error when CONFIG_DEBUG_VIRTUAL is enabled

Gu Yuchen · opsiff · commit 722315a0eeb6 · 2026-03-23T15:24:37.000+08:00
Compiling with CONFIG_DEBUG_VIRTUAL=y caused the following error:
  implicit declaration of function 'phys_addr_valid'

This commit fixes the compilation error.

Signed-off-by: Gu Yuchen &lt;guyuchen@wxiat.com&gt;
Reviewed-by: He Sheng &lt;hesheng@wxiat.com&gt;
Signed-off-by: Gu Zitao &lt;guzitao@wxiat.com&gt;
diff --git a/arch/sw_64/kernel/setup.c b/arch/sw_64/kernel/setup.c
@@ -46,7 +46,7 @@
 DEFINE_PER_CPU(unsigned long, hard_node_id) = { 0 };
 static DEFINE_PER_CPU(struct cpu, cpu_devices);
 
-static inline int phys_addr_valid(unsigned long addr)
+inline int phys_addr_valid(unsigned long addr)
 {
 	/*
 	 * At this point memory probe has not been done such that max_pfn
diff --git a/arch/sw_64/mm/physaddr.c b/arch/sw_64/mm/physaddr.c
@@ -4,6 +4,7 @@
 #include <linux/mm.h>
 #include <asm/page.h>
 
+extern int phys_addr_valid(unsigned long);
 unsigned long __phys_addr(unsigned long addr)
 {
 	VIRTUAL_BUG_ON(addr < PAGE_OFFSET);

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,7 @@`
`46`	`46`	`DEFINE_PER_CPU(unsigned long, hard_node_id) = { 0 };`
`47`	`47`	`static DEFINE_PER_CPU(struct cpu, cpu_devices);`
`48`	`48`
`49`		`-static inline int phys_addr_valid(unsigned long addr)`
	`49`	`+inline int phys_addr_valid(unsigned long addr)`
`50`	`50`	`{`
`51`	`51`	`/*`
`52`	`52`	`* At this point memory probe has not been done such that max_pfn`
Original file line number	Diff line number	Diff line change
`@@ -4,6 +4,7 @@`
`4`	`4`	`#include <linux/mm.h>`
`5`	`5`	`#include <asm/page.h>`
`6`	`6`
	`7`	`+extern int phys_addr_valid(unsigned long);`
`7`	`8`	`unsigned long __phys_addr(unsigned long addr)`
`8`	`9`	`{`
`9`	`10`	`VIRTUAL_BUG_ON(addr < PAGE_OFFSET);`