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8013398: Adjust number of stack guard pages on systems with large memory page size

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Auto adjust number of stack guard pages on systems with large memory page size

Reviewed-by: bobv, coleenp
This commit is contained in:
Vladimir Danushevsky 2013-04-30 17:36:01 -04:00
parent a2f5f4ca1b
commit 867c30e1bd
2 changed files with 15 additions and 2 deletions
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3
hotspot/src/os/linux/vm/os_linux.hpp
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@ -70,6 +70,7 @@ class Linux {
static pthread_t _main_thread;
static Mutex* _createThread_lock;
static int _page_size;
static const int _vm_default_page_size;
static julong available_memory();
static julong physical_memory() { return _physical_memory; }
@ -116,6 +117,8 @@ class Linux {
static int page_size(void) { return _page_size; }
static void set_page_size(int val) { _page_size = val; }
static int vm_default_page_size(void) { return _vm_default_page_size; }
static address ucontext_get_pc(ucontext_t* uc);
static intptr_t* ucontext_get_sp(ucontext_t* uc);
static intptr_t* ucontext_get_fp(ucontext_t* uc);