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authorChen Wandun <chenwandun@huawei.com>2022-05-26 15:26:56 +0300
committerTejun Heo <tj@kernel.org>2022-06-07 20:11:47 +0300
commit5f69a6577bc33d8f6d6bbe02bccdeb357b287f56 (patch)
treee411f7730aabe4d2c485f550367c884e1c84a94b /include/linux/cgroup.h
parente71e60cd74df9386c3f684c54888f2367050b831 (diff)
downloadlinux-5f69a6577bc33d8f6d6bbe02bccdeb357b287f56.tar.xz
psi: dont alloc memory for psi by default
Memory about struct psi_group is allocated by default for each cgroup even if psi_disabled is true, in this case, these allocated memory is waste, so alloc memory for struct psi_group only when psi_disabled is false. Signed-off-by: Chen Wandun <chenwandun@huawei.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/cgroup.h')
-rw-r--r--include/linux/cgroup.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 0d1ada8968d7..ed53bfe7c46c 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -674,7 +674,7 @@ static inline void pr_cont_cgroup_path(struct cgroup *cgrp)
static inline struct psi_group *cgroup_psi(struct cgroup *cgrp)
{
- return &cgrp->psi;
+ return cgrp->psi;
}
bool cgroup_psi_enabled(void);