Resizing the memcg limit for cgroup-v2 drains the stocks before triggering the memcg reclaim. Do the same for cgroup-v1 to make the behavior consistent. Signed-off-by: Shakeel Butt <shakeelb@xxxxxxxxxx> --- mm/memcontrol.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 25b148c2d222..e2d33a37f971 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2463,6 +2463,7 @@ static int mem_cgroup_resize_max(struct mem_cgroup *memcg, unsigned long max, bool memsw) { bool enlarge = false; + bool drained = false; int ret; bool limits_invariant; struct page_counter *counter = memsw ? &memcg->memsw : &memcg->memory; @@ -2493,6 +2494,12 @@ static int mem_cgroup_resize_max(struct mem_cgroup *memcg, if (!ret) break; + if (!drained) { + drain_all_stock(memcg); + drained = true; + continue; + } + if (!try_to_free_mem_cgroup_pages(memcg, 1, GFP_KERNEL, !memsw)) { ret = -EBUSY; -- 2.17.0.441.gb46fe60e1d-goog -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html