ignore ultravisor donated memory for kmemleak to avoid kernel crashes
when accessing such memory.

Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
---
 arch/s390/kernel/uv.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c
index 98a7f988fc69..e0286f434e25 100644
--- a/arch/s390/kernel/uv.c
+++ b/arch/s390/kernel/uv.c
@@ -16,6 +16,7 @@
 #include <linux/swap.h>
 #include <linux/pagewalk.h>
 #include <linux/backing-dev.h>
+#include <linux/kmemleak.h>
 #include <linux/vmalloc.h>
 #include <asm/facility.h>
 #include <asm/sections.h>
@@ -71,6 +72,7 @@ void __init setup_uv(void)
 			uv_info.uv_base_stor_len);
 		goto fail;
 	}
+	kmemleak_ignore_phys(__pa(uv_stor_base));
 
 	if (uv_init(__pa(uv_stor_base), uv_info.uv_base_stor_len)) {
 		memblock_free(uv_stor_base, uv_info.uv_base_stor_len);
-- 
2.53.0