diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index 1a16ce68a4d7..b34f1dd969e0 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -1299,6 +1299,13 @@ PAGE_SIZE multiple when read back.
 	monitors the limited cgroup to alleviate heavy reclaim
 	pressure.
 
+        If memory.high is opened with O_NONBLOCK then the synchronous
+        reclaim is bypassed. This is useful for admin processes that
+        need to dynamically adjust the job's memory limits without
+        expending their own CPU resources on memory reclamation. The
+        job will trigger the reclaim and/or get throttled on its
+        next charge request.
+
   memory.max
 	A read-write single value file which exists on non-root
 	cgroups.  The default is "max".
@@ -1316,6 +1323,13 @@ PAGE_SIZE multiple when read back.
 	Caller could retry them differently, return into userspace
 	as -ENOMEM or silently ignore in cases like disk readahead.
 
+        If memory.max is opened with O_NONBLOCK, then the synchronous
+        reclaim and oom-kill are bypassed. This is useful for admin
+        processes that need to dynamically adjust the job's memory limits
+        without expending their own CPU resources on memory reclamation.
+        The job will trigger the reclaim and/or oom-kill on its next
+        charge request.
+
   memory.reclaim
 	A write-only nested-keyed file which exists for all cgroups.
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 8ed265852423..d3b6f50e00d4 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4269,6 +4269,9 @@ static ssize_t memory_high_write(struct kernfs_open_file *of,
 
 	page_counter_set_high(&memcg->memory, high);
 
+	if (of->file->f_flags & O_NONBLOCK)
+		goto out;
+
 	for (;;) {
 		unsigned long nr_pages = page_counter_read(&memcg->memory);
 		unsigned long reclaimed;
@@ -4291,7 +4294,7 @@ static ssize_t memory_high_write(struct kernfs_open_file *of,
 		if (!reclaimed && !nr_retries--)
 			break;
 	}
-
+out:
 	memcg_wb_domain_size_changed(memcg);
 	return nbytes;
 }
@@ -4318,6 +4321,9 @@ static ssize_t memory_max_write(struct kernfs_open_file *of,
 
 	xchg(&memcg->memory.max, max);
 
+	if (of->file->f_flags & O_NONBLOCK)
+		goto out;
+
 	for (;;) {
 		unsigned long nr_pages = page_counter_read(&memcg->memory);
 
@@ -4345,7 +4351,7 @@ static ssize_t memory_max_write(struct kernfs_open_file *of,
 			break;
 		cond_resched();
 	}
-
+out:
 	memcg_wb_domain_size_changed(memcg);
 	return nbytes;
 }