[PATCH -next] memcg, oom: cleanup unused memcg_oom_gfp_mask and memcg_oom_order

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Since commit 857f21397f71 ("memcg, oom: remove unnecessary check in
mem_cgroup_oom_synchronize()"), memcg_oom_gfp_mask and memcg_oom_order
are no longer used any more.

Signed-off-by: Xiu Jianfeng <xiujianfeng@xxxxxxxxxx>
---
 include/linux/sched.h | 2 --
 mm/memcontrol.c       | 2 --
 2 files changed, 4 deletions(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8d1cf672ac4c..61591ac6eab6 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1449,8 +1449,6 @@ struct task_struct {
 
 #ifdef CONFIG_MEMCG
 	struct mem_cgroup		*memcg_in_oom;
-	gfp_t				memcg_oom_gfp_mask;
-	int				memcg_oom_order;
 
 	/* Number of pages to reclaim on returning to userland: */
 	unsigned int			memcg_nr_pages_over_high;
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 5d4da23264fa..d127c9c5fabf 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2192,8 +2192,6 @@ static bool mem_cgroup_oom(struct mem_cgroup *memcg, gfp_t mask, int order)
 		if (current->in_user_fault) {
 			css_get(&memcg->css);
 			current->memcg_in_oom = memcg;
-			current->memcg_oom_gfp_mask = mask;
-			current->memcg_oom_order = order;
 		}
 		return false;
 	}
-- 
2.34.1





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