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-rw-r--r--linux-user/s390x/syscall.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/linux-user/s390x/syscall.h b/linux-user/s390x/syscall.h
index aaad512d4d..35f170af25 100644
--- a/linux-user/s390x/syscall.h
+++ b/linux-user/s390x/syscall.h
@@ -24,3 +24,6 @@ struct target_pt_regs {
 #define UNAME_MINIMUM_RELEASE "2.6.32"
 
 #define TARGET_CLONE_BACKWARDS2
+#define TARGET_MINSIGSTKSZ        2048
+#define TARGET_MLOCKALL_MCL_CURRENT 1
+#define TARGET_MLOCKALL_MCL_FUTURE  2