style

cpp/src/interop/detail/arrow_allocator.cpp

@@ -26,29 +26,25 @@ namespace detail {
 /*
   Enable Transparent Huge Pages (THP) for large (>4MB) allocations.
   `buf` is returned untouched.
+  Enabling THP can improve performance of device-host memory transfers
+  significantly, see <https://github.com/rapidsai/cudf/pull/13914>.
 */
 template <typename T>
 T enable_hugepage(T buf)
 {
   if (buf->size() < (1u << 22u)) {  // Smaller than 4 MB
     return buf;
   }
-  if(std::getenv("ENABLE_HUGEPAGEPATH") == nullptr) {
-    return buf;
-  }
 
 #ifdef MADV_HUGEPAGE
   const auto pagesize = sysconf(_SC_PAGESIZE);
   void* addr          = const_cast<uint8_t*>(buf->data());
   if (addr == nullptr) { return buf; }
   std::size_t length{static_cast<std::size_t>(buf->size())};
   if (std::align(pagesize, pagesize, addr, length)) {
-    std::cout << "enable_hugepage() - length: " << length << std::endl;
     // Intentionally not checking for errors that may be returned by older kernel versions;
     // optimistically tries enabling huge pages.
     madvise(addr, length, MADV_HUGEPAGE);
-  } else {
-    std::cout << "cannot align - length: " << length << ", addr: " << addr << std::endl;
   }
 #endif
   return buf;