src/os/linux/vm/os_linux.hpp
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hsx-rt.8007074 Cdiff src/os/linux/vm/os_linux.hpp
src/os/linux/vm/os_linux.hpp
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*** 30,39 ****
--- 30,40 ----
/* pthread_getattr_np comes with LinuxThreads-0.9-7 on RedHat 7.1 */
typedef int (*pthread_getattr_func_type) (pthread_t, pthread_attr_t *);
class Linux {
friend class os;
+ friend class TestReserveMemorySpecial;
// For signal-chaining
#define MAXSIGNUM 32
static struct sigaction sigact[MAXSIGNUM]; // saved preinstalled sigactions
static unsigned int sigs; // mask of signals that have
*** 90,101 ****
--- 91,115 ----
static void set_is_floating_stack() { _is_floating_stack = true; }
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);
public:
src/os/linux/vm/os_linux.hpp
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