diff --git a/fs/drop_caches.c b/fs/drop_caches.c
index dc1a1d5d825b48de17f3192f8d0c50829dd07885..1f866b32cd150ea37174f025279144119fde3160 100644
--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c
@@ -13,6 +13,7 @@
 
 /* A global variable is a bit ugly, but it keeps the code simple */
 int sysctl_drop_caches;
+unsigned int sysctl_drop_caches_loop_limit __read_mostly;
 
 static void drop_pagecache_sb(struct super_block *sb, void *unused)
 {
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 4ee2f01d9ea52eb0f84edc9dd91d267082745442..6d457e38fec7f682890e414daeaa1771f8fa081f 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -2790,6 +2790,7 @@ extern bool process_shares_mm(struct task_struct *p, struct mm_struct *mm);
 
 #ifdef CONFIG_SYSCTL
 extern int sysctl_drop_caches;
+extern unsigned int sysctl_drop_caches_loop_limit;
 int drop_caches_sysctl_handler(struct ctl_table *, int,
 					void __user *, size_t *, loff_t *);
 #endif
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index b3083c74f96f81e58d5724571d2235c25b8d7a1a..bf0524a3a66838c8cfa8c76a2476349efa82ef1a 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1487,6 +1487,14 @@ static struct ctl_table vm_table[] = {
 		.extra1		= &one,
 		.extra2		= &four,
 	},
+	{
+		.procname	= "drop_caches_loop_limit",
+		.data		= &sysctl_drop_caches_loop_limit,
+		.maxlen		= sizeof(unsigned int),
+		.mode		= 0644,
+		.proc_handler	= proc_douintvec,
+	},
+
 #ifdef CONFIG_COMPACTION
 	{
 		.procname	= "compact_memory",
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 71bf44b27d9589f1ff46fd2a5f6633ae98352fa0..d997fe96918ff757b6a024c95bf1894121b67f9d 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -735,6 +735,9 @@ static unsigned long shrink_slab(gfp_t gfp_mask, int nid,
 void drop_slab_node(int nid)
 {
 	unsigned long freed;
+#ifdef CONFIG_SYSCTL
+	unsigned int counts = 0;
+#endif
 
 	do {
 		struct mem_cgroup *memcg = NULL;
@@ -747,6 +750,18 @@ void drop_slab_node(int nid)
 		do {
 			freed += shrink_slab(GFP_KERNEL, nid, memcg, 0);
 		} while ((memcg = mem_cgroup_iter(NULL, memcg, NULL)) != NULL);
+
+#ifdef CONFIG_SYSCTL
+		if (unlikely(sysctl_drop_caches_loop_limit)) {
+			counts++;
+			if (counts >= sysctl_drop_caches_loop_limit) {
+				pr_info("%s (%d): drop_caches early break: %u loops\n",
+					current->comm, task_pid_nr(current),
+					counts);
+				return;
+			}
+		}
+#endif
 	} while (freed > 10);
 }