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    Subject[PATCH v6 13/17] mm: Export mem_cgroup_is_root()
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    Date
    This will be used in next patch.

    Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
    ---
    include/linux/memcontrol.h | 10 ++++++++++
    mm/memcontrol.c | 5 -----
    2 files changed, 10 insertions(+), 5 deletions(-)

    diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
    index 7ae1b94becf3..cd44c1fac22b 100644
    --- a/include/linux/memcontrol.h
    +++ b/include/linux/memcontrol.h
    @@ -311,6 +311,11 @@ struct mem_cgroup {

    extern struct mem_cgroup *root_mem_cgroup;

    +static inline bool mem_cgroup_is_root(struct mem_cgroup *memcg)
    +{
    + return (memcg == root_mem_cgroup);
    +}
    +
    static inline bool mem_cgroup_disabled(void)
    {
    return !cgroup_subsys_enabled(memory_cgrp_subsys);
    @@ -780,6 +785,11 @@ void mem_cgroup_split_huge_fixup(struct page *head);

    struct mem_cgroup;

    +static inline bool mem_cgroup_is_root(struct mem_cgroup *memcg)
    +{
    + return false;
    +}
    +
    static inline bool mem_cgroup_disabled(void)
    {
    return true;
    diff --git a/mm/memcontrol.c b/mm/memcontrol.c
    index 8afabac77b86..bbcb3d2c0a50 100644
    --- a/mm/memcontrol.c
    +++ b/mm/memcontrol.c
    @@ -261,11 +261,6 @@ struct cgroup_subsys_state *vmpressure_to_css(struct vmpressure *vmpr)
    return &container_of(vmpr, struct mem_cgroup, vmpressure)->css;
    }

    -static inline bool mem_cgroup_is_root(struct mem_cgroup *memcg)
    -{
    - return (memcg == root_mem_cgroup);
    -}
    -
    #ifdef CONFIG_MEMCG_KMEM
    /*
    * This will be the memcg's index in each cache's ->memcg_params.memcg_caches.
    \
     
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      Last update: 2018-05-18 10:47    [W:4.224 / U:0.412 seconds]
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