--; This should improve performance, but requires appropriate OS configuration.
--;opcache.huge_code_pages=1
+-; Under certain circumstances (if only a single global PHP process is
+-; started from which all others fork), this can increase performance
+-; by a tiny amount because TLB misses are reduced. On the other hand, this
+-; delays PHP startup, increases memory usage and degrades performance
+-; under memory pressure - use with care.
+-; Requires appropriate OS configuration.
+-;opcache.huge_code_pages=0