diff src/os/linux/vm/os_linux.hpp @ 17472:2a907fd129cb

Merge
author chegar
date Fri, 06 Sep 2013 09:55:38 +0100
parents 4c84d351cca9
children 0d59407e7e09
line wrap: on
line diff
--- a/src/os/linux/vm/os_linux.hpp	Thu Sep 05 10:29:00 2013 -0400
+++ b/src/os/linux/vm/os_linux.hpp	Fri Sep 06 09:55:38 2013 +0100
@@ -32,6 +32,7 @@
 
 class Linux {
   friend class os;
+  friend class TestReserveMemorySpecial;
 
   // For signal-chaining
 #define MAXSIGNUM 32
@@ -92,8 +93,21 @@
   static void rebuild_cpu_to_node_map();
   static GrowableArray<int>* cpu_to_node()    { return _cpu_to_node; }
 
+  static size_t find_large_page_size();
+  static size_t setup_large_page_size();
+
+  static bool setup_large_page_type(size_t page_size);
+  static bool transparent_huge_pages_sanity_check(bool warn, size_t pages_size);
   static bool hugetlbfs_sanity_check(bool warn, size_t page_size);
 
+  static char* reserve_memory_special_shm(size_t bytes, size_t alignment, char* req_addr, bool exec);
+  static char* reserve_memory_special_huge_tlbfs(size_t bytes, size_t alignment, char* req_addr, bool exec);
+  static char* reserve_memory_special_huge_tlbfs_only(size_t bytes, char* req_addr, bool exec);
+  static char* reserve_memory_special_huge_tlbfs_mixed(size_t bytes, size_t alignment, char* req_addr, bool exec);
+
+  static bool release_memory_special_shm(char* base, size_t bytes);
+  static bool release_memory_special_huge_tlbfs(char* base, size_t bytes);
+
   static void print_full_memory_info(outputStream* st);
   static void print_distro_info(outputStream* st);
   static void print_libversion_info(outputStream* st);