NothingOSS/android_kernel_msm-6.1_nothing_sm7635
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ANDROID: Export memcg functions to allow module to add new files

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Export cgroup_add_legacy_cftypes and a helper function to allow vendor module to expose additional files in the memory cgroup hierarchy.

Bug: 192052083

Signed-off-by: Liujie Xie <xieliujie@oppo.com>
(cherry picked from commit f41a95eadca98506e627b21f5cc73332bba4d95c)
(cherry picked from commit bf24c43b7f90290d2ac6f8163b43ab00f8f820b9)

Change-Id: Ie2b936b3e77c7ab6d740d1bb6d70e03c70a326a7
Signed-off-by: lvwenhuan <lvwenhuan@oppo.com>
This commit is contained in:
Liujie Xie 2021-06-25 22:16:33 +08:00 • committed by Treehugger Robot
parent 032458b9cb
commit f627d47d36
2 changed files with 2 additions and 0 deletions
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1
kernel/cgroup/cgroup.c
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@ -4460,6 +4460,7 @@ int cgroup_add_legacy_cftypes(struct cgroup_subsys *ss, struct cftype *cfts)
cft->flags |= __CFTYPE_NOT_ON_DFL;
return cgroup_add_cftypes(ss, cfts);
}
EXPORT_SYMBOL_GPL(cgroup_add_legacy_cftypes);
/**
* cgroup_file_notify - generate a file modified event for a cgroup_file

1
mm/memcontrol.c
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@ -5187,6 +5187,7 @@ struct mem_cgroup *mem_cgroup_from_id(unsigned short id)
WARN_ON_ONCE(!rcu_read_lock_held());
return idr_find(&mem_cgroup_idr, id);
}
EXPORT_SYMBOL_GPL(mem_cgroup_from_id);
#ifdef CONFIG_SHRINKER_DEBUG
struct mem_cgroup *mem_cgroup_get_from_ino(unsigned long ino)