Throttle unload_units

Because d80226e7bd often reduces the number of unloaded units, it
increases the number of unload_units calls, which are heavy.

To mitigate that, this throttles unload_units per `max_cache_size / 10`.

Also hoping to fix
https://ci.appveyor.com/project/ruby/ruby/builds/36552382/job/kjmjgw9cjyf2ksd7

1 files changed, 1 insertions, 1 deletions

diff --git a/mjit.c b/mjit.c
index 94857df524..c65355fba9 100644
--- a/mjit.c
+++ b/mjit.c
@@ -261,7 +261,7 @@ mjit_add_iseq_to_process(const rb_iseq_t *iseq, const struct rb_mjit_compile_inf
     CRITICAL_SECTION_START(3, "in add_iseq_to_process");
     add_to_list(iseq->body->jit_unit, &unit_queue);
     if (active_units.length >= mjit_opts.max_cache_size) {
-        unload_units_p = true;
+        unload_requests++;
     }
     verbose(3, "Sending wakeup signal to workers in mjit_add_iseq_to_process");
     rb_native_cond_broadcast(&mjit_worker_wakeup);