From: Michal Suchanek <msuchanek@suse.de>
Date: Wed, 16 Aug 2017 13:28:58 +0200
Subject: [PATCH] s390: export symbols for crash-kmp
Patch-mainline: Never, needed for an out-of-tree module
References: bsc#1053915

Export xlate_dev_mem_ptr and unxlate_dev_mem_ptr

Signed-off-by: Michal Suchanek <msuchanek@suse.de>
---
 arch/s390/mm/maccess.c | 4 ++++
 1 file changed, 4 insertions(+)

--- a/arch/s390/mm/maccess.c
+++ b/arch/s390/mm/maccess.c
@@ -249,3 +249,7 @@ void unxlate_dev_mem_ptr(phys_addr_t addr, void *ptr)
 	if (addr != virt_to_phys(ptr))
 		free_page((unsigned long)ptr);
 }
+
+/* crash-kmp uses these */
+EXPORT_SYMBOL_GPL(xlate_dev_mem_ptr);
+EXPORT_SYMBOL_GPL(unxlate_dev_mem_ptr);