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-rw-r--r--include/asm-mips/system.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index eba2e3da9ab..8d0b1cd4a45 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -470,6 +470,6 @@ extern int stop_a_enabled;
*/
#define __ARCH_WANT_UNLOCKED_CTXSW
-#define arch_align_stack(x) (x)
+extern unsigned long arch_align_stack(unsigned long sp);
#endif /* _ASM_SYSTEM_H */