archive/ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2025-08-15 13:39:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Avoid unnecessary writes to imemo_env during GC

Browse source 
Similar to the previous commit, to avoid unnecessary Copy-on-Write
memory use we should only set this flag when it has not previously been
set.
This commit is contained in:
John Hawthorn 2024-06-02 23:40:24 -07:00
parent 9d6b8806a4
commit 520ab22725
1 changed files with 3 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

4
imemo.c
View file

@ -357,7 +357,9 @@ rb_imemo_mark_and_move(VALUE obj, bool reference_updating)
((VALUE *)env->ep)[VM_ENV_DATA_INDEX_ENV] = rb_gc_location(env->ep[VM_ENV_DATA_INDEX_ENV]);
}
else {
VM_ENV_FLAGS_SET(env->ep, VM_ENV_FLAG_WB_REQUIRED);
if (!VM_ENV_FLAGS(env->ep, VM_ENV_FLAG_WB_REQUIRED)) {
VM_ENV_FLAGS_SET(env->ep, VM_ENV_FLAG_WB_REQUIRED);
}
rb_gc_mark_movable( (VALUE)rb_vm_env_prev_env(env));
}
}