Re: [PATCH v2 03/23] powerpc/pseries/cmm: remove cmm_balloon_compaction_init()

From: David Hildenbrand (Red Hat)

Date: Mon Jan 19 2026 - 17:44:55 EST


@@ -573,11 +567,12 @@ static int cmm_init(void)
return -EOPNOTSUPP;

balloon_devinfo_init(&b_dev_info);
- cmm_balloon_compaction_init();
+ if (IS_ENABLED(CONFIG_BALLOON_COMPACTION))
+ b_dev_info.migratepage = cmm_migratepage;

rc = register_oom_notifier(&cmm_oom_nb);
if (rc < 0)
- goto out_balloon_compaction;
+ return rc;

if ((rc = register_reboot_notifier(&cmm_reboot_nb)))
goto out_oom_notifier;
@@ -606,7 +601,6 @@ static int cmm_init(void)
unregister_reboot_notifier(&cmm_reboot_nb);
out_oom_notifier:
unregister_oom_notifier(&cmm_oom_nb);
-out_balloon_compaction:

So silly, I assume before there was more that happened here?

Right, I commented that above in the patch description.

Thanks!

--
Cheers

David