netdev - Re: [PATCH bpf] tools/bpf: fix bpf selftest test_cgroup

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Message-ID: <20180817192619.uxenspvvzulcgw6x@ast-mbp.dhcp.thefacebook.com>
Date:   Fri, 17 Aug 2018 12:26:21 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Yonghong Song <yhs@...com>
Cc:     ast@...com, daniel@...earbox.net, netdev@...r.kernel.org,
        kernel-team@...com, Roman Gushchin <guro@...com>
Subject: Re: [PATCH bpf] tools/bpf: fix bpf selftest test_cgroup_storage
 failure

On Fri, Aug 17, 2018 at 08:54:15AM -0700, Yonghong Song wrote:
> The bpf selftest test_cgroup_storage failed in one of
> our production test servers.
>   # sudo ./test_cgroup_storage
>   Failed to create map: Operation not permitted
> 
> It turns out this is due to insufficient locked memory
> with system default 16KB.
> 
> Similar to other self tests, let us arm the process
> with unlimited locked memory. With this change,
> the test passed.
>   # sudo ./test_cgroup_storage
>   test_cgroup_storage:PASS
> 
> Fixes: 68cfa3ac6b8d ("selftests/bpf: add a cgroup storage test")
> Cc: Roman Gushchin <guro@...com>
> Signed-off-by: Yonghong Song <yhs@...com>

Applied, Thanks