From: Roman Gushchin <roman.gushchin@linux.dev>
To: David Vernet <void@manifault.com>
Cc: akpm@linux-foundation.org, tj@kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
cgroups@vger.kernel.org, hannes@cmpxchg.org, mhocko@kernel.org,
shakeelb@google.com, kernel-team@fb.com
Subject: Re: [PATCH 1/5] cgroups: Refactor children cgroups in memcg tests
Date: Fri, 22 Apr 2022 16:04:15 -0700 [thread overview]
Message-ID: <YmM0b+3thMZaXVDb@carbon> (raw)
In-Reply-To: <20220422155728.3055914-2-void@manifault.com>
On Fri, Apr 22, 2022 at 08:57:25AM -0700, David Vernet wrote:
> In test_memcg_min() and test_memcg_low(), there is an array of four sibling
> cgroups. All but one of these sibling groups does a 50MB allocation, and
> the group that does no allocation is the third of four in the array. This
> is not a problem per se, but makes it a bit tricky to do some assertions in
> test_memcg_low(), as we want to make assertions on the siblings based on
> whether or not they performed allocations. Having a static index before
> which all groups have performed an allocation makes this cleaner.
>
> This patch therefore reorders the sibling groups so that the group that
> performs no allocations is the last in the array.
It makes the comment explaining the test just above the test_memcg_min()
function obsolete. Please, fix it too.
Thanks!
next prev parent reply other threads:[~2022-04-22 23:04 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-22 15:57 [PATCH 0/5] Fix bugs in memcontroller cgroup tests David Vernet
2022-04-22 15:57 ` [PATCH 1/5] cgroups: Refactor children cgroups in memcg tests David Vernet
2022-04-22 23:04 ` Roman Gushchin [this message]
2022-04-23 11:30 ` David Vernet
2022-04-23 15:19 ` Roman Gushchin
2022-04-23 15:33 ` David Vernet
2022-04-22 15:57 ` [PATCH 2/5] cgroup: Account for memory_recursiveprot in test_memcg_low() David Vernet
2022-04-22 23:06 ` Roman Gushchin
2022-04-23 11:33 ` David Vernet
2022-04-22 15:57 ` [PATCH 3/5] cgroup: Account for memory_localevents in test_memcg_oom_group_leaf_events() David Vernet
2022-04-22 23:14 ` Roman Gushchin
2022-04-23 11:36 ` David Vernet
2022-04-22 15:57 ` [PATCH 4/5] cgroup: Removing racy check in test_memcg_sock() David Vernet
2022-04-22 23:50 ` Roman Gushchin
2022-04-23 11:50 ` David Vernet
2022-04-22 15:57 ` [PATCH 5/5] cgroup: Fix racy check in alloc_pagecache_max_30M() helper function David Vernet
2022-04-22 23:56 ` Roman Gushchin
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