[PATCH 05/20] x86: head: add dummy prototype for mk_early_pgtbl_32

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From: Arnd Bergmann <arnd@xxxxxxxx>

'make W=1' warns about a function without a prototype in the x86-32 head code:

arch/x86/kernel/head32.c:72:13: error: no previous prototype for 'mk_early_pgtbl_32' [-Werror=missing-prototypes]

This is called from assembler code, so it does not actually need a prototype.
I could not find an appropriate header for it, so just declare it in front
of the definition to shut up th warning.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
 arch/x86/kernel/head32.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 10c27b4261eb..246a609f889b 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -69,6 +69,7 @@ asmlinkage __visible void __init __noreturn i386_start_kernel(void)
  * to the first kernel PMD. Note the upper half of each PMD or PTE are
  * always zero at this stage.
  */
+void __init mk_early_pgtbl_32(void);
 void __init mk_early_pgtbl_32(void)
 {
 #ifdef __pa
-- 
2.39.2





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