$OpenBSD$

Index: src/crypto/common/VirtualMemory_unix.cpp
--- src/crypto/common/VirtualMemory_unix.cpp.orig
+++ src/crypto/common/VirtualMemory_unix.cpp
@@ -65,7 +65,7 @@
 #endif
 
 
-#if defined(XMRIG_OS_LINUX) || (!defined(XMRIG_OS_APPLE) && !defined(__FreeBSD__))
+#if defined(XMRIG_OS_LINUX) || (!defined(XMRIG_OS_APPLE) && !defined(__OpenBSD__))
 static inline int hugePagesFlag(size_t size)
 {
     return (static_cast<int>(log2(size)) & MAP_HUGE_MASK) << MAP_HUGE_SHIFT;
@@ -129,11 +129,11 @@ void *xmrig::VirtualMemory::allocateExecutableMemory(s
 #   ifdef XMRIG_ARM
     pthread_jit_write_protect_np(false);
 #   endif
-#   elif defined(__FreeBSD__)
+#   elif defined(__OpenBSD__)
     void *mem = nullptr;
 
     if (hugePages) {
-        mem = mmap(0, size, PROT_READ | PROT_WRITE | SECURE_PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER | MAP_PREFAULT_READ, -1, 0);
+        mem = mmap(0, size, PROT_READ | PROT_WRITE | SECURE_PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
     }
 
     if (!mem) {
@@ -145,7 +145,7 @@ void *xmrig::VirtualMemory::allocateExecutableMemory(s
     void *mem = nullptr;
 
     if (hugePages) {
-        mem = mmap(0, align(size), PROT_READ | PROT_WRITE | SECURE_PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE | hugePagesFlag(hugePageSize()), -1, 0);
+        mem = mmap(0, align(size), PROT_READ | PROT_WRITE | SECURE_PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS | hugePagesFlag(hugePageSize()), -1, 0);
     }
 
     if (!mem) {
@@ -162,10 +162,10 @@ void *xmrig::VirtualMemory::allocateLargePagesMemory(s
 {
 #   if defined(XMRIG_OS_APPLE)
     void *mem = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, VM_FLAGS_SUPERPAGE_SIZE_2MB, 0);
-#   elif defined(__FreeBSD__)
-    void *mem = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER | MAP_PREFAULT_READ, -1, 0);
+#   elif defined(__OpenBSD__)
+    void *mem = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
 #   else
-    void *mem = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB | MAP_POPULATE | hugePagesFlag(hugePageSize()), 0, 0);
+    void *mem = mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS hugePagesFlag(hugePageSize()), 0, 0);
 #   endif
 
     return mem == MAP_FAILED ? nullptr : mem;