mm,hwpoison: introduce MF_MSG_UNSPLIT_THP

[linux.git] / arch / riscv / kernel / process.c

diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 31f39442df72a060a84eb05d07850ca203f12f5a..2b97c493427c9e6b2210990d687d72f0e4abb21d 100644 (file)
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -24,6 +24,12 @@
 
 register unsigned long gp_in_global __asm__("gp");
 
+#ifdef CONFIG_STACKPROTECTOR
+#include <linux/stackprotector.h>
+unsigned long __stack_chk_guard __read_mostly;
+EXPORT_SYMBOL(__stack_chk_guard);
+#endif
+
 extern asmlinkage void ret_from_fork(void);
 extern asmlinkage void ret_from_kernel_thread(void);