--- a/hotspot/src/os/linux/vm/os_linux.cpp Fri Dec 11 13:18:10 2015 +0000
+++ b/hotspot/src/os/linux/vm/os_linux.cpp Fri Dec 11 09:07:07 2015 -0800
@@ -1861,8 +1861,8 @@
JavaThread *jt = Threads::first();
while (jt) {
- if (!jt->stack_guard_zone_unused() && // Stack not yet fully initialized
- jt->stack_yellow_zone_enabled()) { // No pending stack overflow exceptions
+ if (!jt->stack_guard_zone_unused() && // Stack not yet fully initialized
+ jt->stack_guards_enabled()) { // No pending stack overflow exceptions
if (!os::guard_memory((char *) jt->stack_red_zone_base() - jt->stack_red_zone_size(),
jt->stack_yellow_zone_size() + jt->stack_red_zone_size())) {
warning("Attempt to reguard stack yellow zone failed.");
@@ -4603,6 +4603,11 @@
if (vm_page_size() > (int)Linux::vm_default_page_size()) {
StackYellowPages = 1;
StackRedPages = 1;
+#if defined(IA32) || defined(IA64)
+ StackReservedPages = 1;
+#else
+ StackReservedPages = 0;
+#endif
StackShadowPages = round_to((StackShadowPages*Linux::vm_default_page_size()), vm_page_size()) / vm_page_size();
}
@@ -4664,7 +4669,7 @@
// Add in 2*BytesPerWord times page size to account for VM stack during
// class initialization depending on 32 or 64 bit VM.
os::Linux::min_stack_allowed = MAX2(os::Linux::min_stack_allowed,
- (size_t)(StackYellowPages+StackRedPages+StackShadowPages) * Linux::page_size() +
+ (size_t)(StackReservedPages+StackYellowPages+StackRedPages+StackShadowPages) * Linux::page_size() +
(2*BytesPerWord COMPILER2_PRESENT(+1)) * Linux::vm_default_page_size());
size_t threadStackSizeInBytes = ThreadStackSize * K;