Messages in this thread Patch in this message | | | Date | Sun, 18 Mar 2018 13:24:51 -0700 (PDT) | From | David Rientjes <> | Subject | [patch -mm] mm: memcg: remote memcg charging for kmem allocations fix |
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fix build warning for CONFIG_SLOB:
mm/memcontrol.c:706:27: warning: 'get_mem_cgroup' defined but not used [-Wunused-function] static struct mem_cgroup *get_mem_cgroup(struct mem_cgroup *memcg)
Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: David Rientjes <rientjes@google.com> --- mm/memcontrol.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -701,15 +701,6 @@ struct mem_cgroup *get_mem_cgroup_from_mm(struct mm_struct *mm) return memcg; } -static struct mem_cgroup *get_mem_cgroup(struct mem_cgroup *memcg) -{ - rcu_read_lock(); - if (!css_tryget_online(&memcg->css)) - memcg = NULL; - rcu_read_unlock(); - return memcg; -} - /** * mem_cgroup_iter - iterate over memory cgroup hierarchy * @root: hierarchy root @@ -2128,6 +2119,15 @@ static void commit_charge(struct page *page, struct mem_cgroup *memcg, } #ifndef CONFIG_SLOB +static struct mem_cgroup *get_mem_cgroup(struct mem_cgroup *memcg) +{ + rcu_read_lock(); + if (!css_tryget_online(&memcg->css)) + memcg = NULL; + rcu_read_unlock(); + return memcg; +} + static int memcg_alloc_cache_id(void) { int id, size;
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