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

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Merge
author chegar
date Fri, 06 Sep 2013 09:55:38 +0100
parents 4c84d351cca9
children 0d59407e7e09
comparison
equal deleted inserted replaced
17471:7ccce1a6fa4d 17472:2a907fd129cb
30 /* pthread_getattr_np comes with LinuxThreads-0.9-7 on RedHat 7.1 */ 30 /* pthread_getattr_np comes with LinuxThreads-0.9-7 on RedHat 7.1 */
31 typedef int (*pthread_getattr_func_type) (pthread_t, pthread_attr_t *); 31 typedef int (*pthread_getattr_func_type) (pthread_t, pthread_attr_t *);
32 32
33 class Linux { 33 class Linux {
34 friend class os; 34 friend class os;
35 friend class TestReserveMemorySpecial;
35 36
36 // For signal-chaining 37 // For signal-chaining
37 #define MAXSIGNUM 32 38 #define MAXSIGNUM 32
38 static struct sigaction sigact[MAXSIGNUM]; // saved preinstalled sigactions 39 static struct sigaction sigact[MAXSIGNUM]; // saved preinstalled sigactions
39 static unsigned int sigs; // mask of signals that have 40 static unsigned int sigs; // mask of signals that have
90 static void set_is_floating_stack() { _is_floating_stack = true; } 91 static void set_is_floating_stack() { _is_floating_stack = true; }
91 92
92 static void rebuild_cpu_to_node_map(); 93 static void rebuild_cpu_to_node_map();
93 static GrowableArray<int>* cpu_to_node() { return _cpu_to_node; } 94 static GrowableArray<int>* cpu_to_node() { return _cpu_to_node; }
94 95
96 static size_t find_large_page_size();
97 static size_t setup_large_page_size();
98
99 static bool setup_large_page_type(size_t page_size);
100 static bool transparent_huge_pages_sanity_check(bool warn, size_t pages_size);
95 static bool hugetlbfs_sanity_check(bool warn, size_t page_size); 101 static bool hugetlbfs_sanity_check(bool warn, size_t page_size);
102
103 static char* reserve_memory_special_shm(size_t bytes, size_t alignment, char* req_addr, bool exec);
104 static char* reserve_memory_special_huge_tlbfs(size_t bytes, size_t alignment, char* req_addr, bool exec);
105 static char* reserve_memory_special_huge_tlbfs_only(size_t bytes, char* req_addr, bool exec);
106 static char* reserve_memory_special_huge_tlbfs_mixed(size_t bytes, size_t alignment, char* req_addr, bool exec);
107
108 static bool release_memory_special_shm(char* base, size_t bytes);
109 static bool release_memory_special_huge_tlbfs(char* base, size_t bytes);
96 110
97 static void print_full_memory_info(outputStream* st); 111 static void print_full_memory_info(outputStream* st);
98 static void print_distro_info(outputStream* st); 112 static void print_distro_info(outputStream* st);
99 static void print_libversion_info(outputStream* st); 113 static void print_libversion_info(outputStream* st);
100 114