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There were very few functions left that were specific to global pools, and even the checks they used to participate to are not directly on the most critical path so they can suffer an extra "if". What's done now is that pool_releasable() always returns 0 when global pools are disabled (like the one before) so that pool_evict_last_items() never tries to place evicted objects there. As such there will never be any object in the free list. However pool_refill_local_from_shared() is bypassed when global pools are disabled so that we even avoid the atomic loads from this function. The default global setting is still adjusted based on the original CONFIG_NO_GLOBAL_POOLS that is set depending on threads and the allocator. The global executable only grew by 1.1kB by keeping this code enabled, and the code is simplified and will later support runtime options.
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)