On Tue, 29 Nov 2022, Valery Ushakov wrote:
Turns out you can use MALLOC_CONF="dss:primary" to make (the new) jemalloc prefer sbrk(2).
Yes, I saw that, but, I wasn't sure if that setting meant a) always use sbrk() or b) prefer sbrk(), then, fall-back to mmap() (typically for very large allocations). -RVP