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e81248c0c8
This is the pool equivalent of commit 97ea9c49f ("BUG/MEDIUM: fd: always
align fdtab[] to 64 bytes"). After a careful code review, it happens that
the pool heads are the other structures allocated with malloc/calloc that
claim to be aligned to a size larger than what the allocator can offer.
While no issue was reported on them, no memset() is performed and no type
is large, this is a problem waiting to happen, so better fix it. In
addition, it's relatively easy to do by storing the allocation address
inside the pool_head itself and use it at free() time. Finally, threads
might benefit from the fact that the caches will really be aligned and
that there will be no false sharing.
This should be backported to all versions where it applies easily.
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)