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src/share/vm/runtime/os.hpp

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rev 7555 : imported patch 8067469-g1-ignores-alwayspretouch
rev 7556 : [mq]: david-erik-review

*** 309,318 **** --- 309,322 ---- size_t alignment_hint, bool executable, const char* mesg); static bool uncommit_memory(char* addr, size_t bytes); static bool release_memory(char* addr, size_t bytes); + // Touch memory pages that cover the memory range from start to end (exclusive) + // to make the OS back the memory range with actual memory. + // Current implementation may not touch the last page if unaligned addresses + // are passed. static void pretouch_memory(char* start, char* end); enum ProtType { MEM_PROT_NONE, MEM_PROT_READ, MEM_PROT_RW, MEM_PROT_RWX }; static bool protect_memory(char* addr, size_t bytes, ProtType prot, bool is_committed = true);
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