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--- a/src/hotspot/os_cpu/linux_zero/globals_linux_zero.hpp
+++ b/src/hotspot/os_cpu/linux_zero/globals_linux_zero.hpp
@@ -34,7 +34,11 @@
define_pd_global(bool, DontYieldALot, false);
define_pd_global(intx, ThreadStackSize, 1536);
#ifdef _LP64
+#if defined(PPC64) || defined(__s390x__)
+define_pd_global(intx, VMThreadStackSize, 1600);
+#else
define_pd_global(intx, VMThreadStackSize, 1024);
+#endif
#else
define_pd_global(intx, VMThreadStackSize, 512);
#endif // _LP64
--- a/make/autoconf/boot-jdk.m4
+++ b/make/autoconf/boot-jdk.m4
@@ -459,6 +459,9 @@
fi
UTIL_ADD_JVM_ARG_IF_OK([-Xmx${JVM_MAX_HEAP}M],boot_jdk_jvmargs_big,[$JAVA])
UTIL_ADD_JVM_ARG_IF_OK([-XX:ThreadStackSize=$STACK_SIZE],boot_jdk_jvmargs_big,[$JAVA])
+ if test "$VAR_CPU" = s390x; then
+ UTIL_ADD_JVM_ARG_IF_OK([-Xss1600k],boot_jdk_jvmargs_big,[$JAVA])
+ fi
AC_MSG_RESULT([$boot_jdk_jvmargs_big])
@@ -488,6 +491,9 @@
UTIL_ADD_JVM_ARG_IF_OK([-XX:+UseSerialGC],boot_jdk_jvmargs_small,[$JAVA])
UTIL_ADD_JVM_ARG_IF_OK([-Xms32M],boot_jdk_jvmargs_small,[$JAVA])
UTIL_ADD_JVM_ARG_IF_OK([-Xmx512M],boot_jdk_jvmargs_small,[$JAVA])
+ if test "$VAR_CPU" = s390x; then
+ UTIL_ADD_JVM_ARG_IF_OK([-Xss1600k],boot_jdk_jvmargs_small,[$JAVA])
+ fi
UTIL_ADD_JVM_ARG_IF_OK([-XX:TieredStopAtLevel=1],boot_jdk_jvmargs_small,[$JAVA])
AC_MSG_RESULT([$boot_jdk_jvmargs_small])
--- a/make/autoconf/build-performance.m4
+++ b/make/autoconf/build-performance.m4
@@ -443,6 +443,9 @@
MX_VALUE=512
fi
UTIL_ADD_JVM_ARG_IF_OK([-Xms${MS_VALUE}M -Xmx${MX_VALUE}M],SJAVAC_SERVER_JAVA_FLAGS,[$SJAVAC_SERVER_JAVA])
+ if test "$VAR_CPU" = s390x; then
+ UTIL_ADD_JVM_ARG_IF_OK([-Xss1600k],SJAVAC_SERVER_JAVA_FLAGS,[$SJAVAC_SERVER_JAVA])
+ fi
AC_SUBST(SJAVAC_SERVER_JAVA_FLAGS)
AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
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