kernel/cgroup: Remove the unused variable climit

Variable climit is not effectively used, so delete it.

kernel/cgroup/dmem.c:302:23: warning: variable ‘climit’ set but not used.

Reported-by: Abaci Robot <[email protected]>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=13512
Signed-off-by: Jiapeng Chong <[email protected]>
Acked-by: Tejun Heo <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Maxime Ripard <[email protected]>

Author: Jiapeng Chong

kernel/cgroup/dmem.c

@@ -299,7 +299,7 @@ bool dmem_cgroup_state_evict_valuable(struct dmem_cgroup_pool_state *limit_pool,
 				      bool ignore_low, bool *ret_hit_low)
 {
 	struct dmem_cgroup_pool_state *pool = test_pool;
-	struct page_counter *climit, *ctest;
+	struct page_counter *ctest;
 	u64 used, min, low;
 
 	/* Can always evict from current pool, despite limits */
@@ -324,7 +324,6 @@ bool dmem_cgroup_state_evict_valuable(struct dmem_cgroup_pool_state *limit_pool,
 			{}
 	}
 
-	climit = &limit_pool->cnt;
 	ctest = &test_pool->cnt;
 
 	dmem_cgroup_calculate_protection(limit_pool, test_pool);