The mempool local cache was not initialized properly leading to
undefined behavior in cases where the allocated memory was used
previously and left with data.
Fixes: 213af31e0960 ("mempool: reduce structure size if no cache needed")
Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
43b194b433