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comparison src/os/windows/vm/os_windows.cpp @ 647:bd441136a5ce

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Merge
author kvn
date Thu, 19 Mar 2009 09:13:24 -0700
parents 0fbdb4381b99 660978a2a31a
children 6bdd6923ba16
comparison
equal deleted inserted replaced
640:ba50942c8138 647:bd441136a5ce
2593 2593
2594 bool os::can_execute_large_page_memory() { 2594 bool os::can_execute_large_page_memory() {
2595 return true; 2595 return true;
2596 } 2596 }
2597 2597
2598 char* os::reserve_memory_special(size_t bytes) { 2598 char* os::reserve_memory_special(size_t bytes, char* addr) {
2599 2599
2600 if (UseLargePagesIndividualAllocation) { 2600 if (UseLargePagesIndividualAllocation) {
2601 if (TracePageSizes && Verbose) { 2601 if (TracePageSizes && Verbose) {
2602 tty->print_cr("Reserving large pages individually."); 2602 tty->print_cr("Reserving large pages individually.");
2603 } 2603 }
2613 // Overflowed. 2613 // Overflowed.
2614 warning("Individually allocated large pages failed, " 2614 warning("Individually allocated large pages failed, "
2615 "use -XX:-UseLargePagesIndividualAllocation to turn off"); 2615 "use -XX:-UseLargePagesIndividualAllocation to turn off");
2616 return NULL; 2616 return NULL;
2617 } 2617 }
2618 p_buf = (char *) VirtualAlloc(NULL, 2618 p_buf = (char *) VirtualAlloc(addr,
2619 size_of_reserve, // size of Reserve 2619 size_of_reserve, // size of Reserve
2620 MEM_RESERVE, 2620 MEM_RESERVE,
2621 PAGE_EXECUTE_READWRITE); 2621 PAGE_EXECUTE_READWRITE);
2622 // If reservation failed, return NULL 2622 // If reservation failed, return NULL
2623 if (p_buf == NULL) return NULL; 2623 if (p_buf == NULL) return NULL;