Revert "gnb: double byte_buffer_segment size and half number of segments in buffer pool"

This reverts commit 7864b14.

Author: qarlosalberto

include/srsran/adt/detail/byte_buffer_segment_pool.h

@@ -23,4 +23,4 @@ using byte_buffer_segment_pool = fixed_size_memory_block_pool<byte_buffer_pool_t
 detail::byte_buffer_segment_pool& get_default_byte_buffer_segment_pool();
 
 } // namespace detail
-} // namespace srsran
+} // namespace srsran

lib/support/byte_buffer.cpp

@@ -15,7 +15,7 @@ using namespace srsran;
 
 size_t srsran::byte_buffer_segment_pool_default_segment_size()
 {
-  return 2048;
+  return 1024;
 }
 
 /// Get default byte buffer segment pool. Initialize pool if not initialized before.

tests/benchmarks/rlc/rlc_am_rx_benchmark.cpp

@@ -262,7 +262,7 @@ int main(int argc, char** argv)
   parse_args(argc, argv, params);
 
   // Setup size of byte buffer pool.
-  init_byte_buffer_segment_pool(524288);
+  init_byte_buffer_segment_pool(524288, 1024);
 
   {
     benchmark_rx_pdu(params, rx_order::in_order);