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Date:   Mon, 25 Apr 2022 12:18:28 -0700 (PDT)
From:   David Rientjes <rientjes@google.com>
To:     Yosry Ahmed <yosryahmed@google.com>
cc:     Johannes Weiner <hannes@cmpxchg.org>,
        Michal Hocko <mhocko@kernel.org>,
        Shakeel Butt <shakeelb@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Roman Gushchin <roman.gushchin@linux.dev>,
        Tejun Heo <tj@kernel.org>, Zefan Li <lizefan.x@bytedance.com>,
        Jonathan Corbet <corbet@lwn.net>,
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        Wei Xu <weixugc@google.com>, Greg Thelen <gthelen@google.com>,
        Chen Wandun <chenwandun@huawei.com>,
        Vaibhav Jain <vaibhav@linux.ibm.com>,
        =?UTF-8?Q?Michal_Koutn=C3=BD?= <mkoutny@suse.com>,
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        linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org, linux-kselftest@vger.kernel.org
Subject: Re: [PATCH v5 3/4] selftests: cgroup: fix alloc_anon_noexit()
 instantly freeing memory
In-Reply-To: <20220425190040.2475377-4-yosryahmed@google.com>
Message-ID: <f4aee758-c3b6-5ecb-a6e-10854a6490c4@google.com>
References: <20220425190040.2475377-1-yosryahmed@google.com> <20220425190040.2475377-4-yosryahmed@google.com>
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On Mon, 25 Apr 2022, Yosry Ahmed wrote:

> Currently, alloc_anon_noexit() calls alloc_anon() which instantly frees
> the allocated memory. alloc_anon_noexit() is usually used with
> cg_run_nowait() to run a process in the background that allocates
> memory. It makes sense for the background process to keep the memory
> allocated and not instantly free it (otherwise there is no point of
> running it in the background).
> 
> Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
> Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
> Acked-by: Shakeel Butt <shakeelb@google.com>

Acked-by: David Rientjes <rientjes@google.com>