tree ff840ed71672f55e8e2b412ffdcf446b9744bf3a
parent ef80538ba1b9b6d49380eb0f7fbf0612db2f7f3b
author Barret Rhoden <brho@cs.berkeley.edu> 1570042022 -0400
committer Barret Rhoden <brho@cs.berkeley.edu> 1570569071 -0400

arena: add __arena_create() and __arena_destroy()

These are lower level interfaces where the caller handles memory.  If
you want any half-way usable self-sourced arena, you're going to embed
it in another struct, and container_of() to that struct in the arena
alloc/free funcs.

Signed-off-by: Barret Rhoden <brho@cs.berkeley.edu>