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From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Roman Gushchin <guro@fb.com>
Cc: bpf@vger.kernel.org, netdev@vger.kernel.org,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	kernel-team@fb.com, linux-kernel@vger.kernel.org,
	Johannes Weiner <hannes@cmpxchg.org>,
	Shakeel Butt <shakeelb@google.com>,
	linux-mm@kvack.org
Subject: Re: [PATCH bpf-next v4 28/30] bpf: eliminate rlimit-based memory accounting infra for bpf maps
Date: Fri, 21 Aug 2020 11:23:21 -0700	[thread overview]
Message-ID: <20200821182321.dtkf5wpi4pukbq3w@ast-mbp.dhcp.thefacebook.com> (raw)
In-Reply-To: <20200821150134.2581465-29-guro@fb.com>

On Fri, Aug 21, 2020 at 08:01:32AM -0700, Roman Gushchin wrote:
>  
> diff --git a/tools/testing/selftests/bpf/progs/map_ptr_kern.c b/tools/testing/selftests/bpf/progs/map_ptr_kern.c
> index 473665cac67e..49d1dcaf7999 100644
> --- a/tools/testing/selftests/bpf/progs/map_ptr_kern.c
> +++ b/tools/testing/selftests/bpf/progs/map_ptr_kern.c
> @@ -26,17 +26,12 @@ __u32 g_line = 0;
>  		return 0;	\
>  })
>  
> -struct bpf_map_memory {
> -	__u32 pages;
> -} __attribute__((preserve_access_index));
> -
>  struct bpf_map {
>  	enum bpf_map_type map_type;
>  	__u32 key_size;
>  	__u32 value_size;
>  	__u32 max_entries;
>  	__u32 id;
> -	struct bpf_map_memory memory;
>  } __attribute__((preserve_access_index));

hmm. Did you build selftests?

progs/map_ptr_kern.c:45:14: error: no member named 'memory' in 'struct bpf_map'
        VERIFY(map->memory.pages > 0);
               ~~~  ^
progs/map_ptr_kern.c:25:8: note: expanded from macro 'VERIFY'

  reply	other threads:[~2020-08-21 18:23 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-21 15:01 [PATCH bpf-next v4 00/30] bpf: switch to memcg-based memory accounting Roman Gushchin
2020-08-21 15:01 ` [PATCH bpf-next v4 01/30] mm: support nesting memalloc_use_memcg() Roman Gushchin
2020-08-21 16:29   ` Shakeel Butt
2020-08-21 15:01 ` [PATCH bpf-next v4 02/30] bpf: memcg-based memory accounting for bpf progs Roman Gushchin
2020-08-25 19:00   ` Shakeel Butt
2020-08-25 22:26     ` Roman Gushchin
2020-08-21 15:01 ` [PATCH bpf-next v4 03/30] bpf: memcg-based memory accounting for bpf maps Roman Gushchin
2020-08-25 23:27   ` Shakeel Butt
2020-08-26  2:38     ` Roman Gushchin
2020-08-26  8:57   ` [bpf] 3ebc0a7f46: BUG:KASAN:use-after-free_in_b kernel test robot
2020-08-21 15:01 ` [PATCH bpf-next v4 28/30] bpf: eliminate rlimit-based memory accounting infra for bpf maps Roman Gushchin
2020-08-21 18:23   ` Alexei Starovoitov [this message]
2020-08-21 23:15     ` Roman Gushchin
2020-08-21 22:20 ` [PATCH bpf-next v4 00/30] bpf: switch to memcg-based memory accounting Roman Gushchin
     [not found] ` <20200821150134.2581465-5-guro@fb.com>
2020-08-27  1:19   ` [PATCH bpf-next v4 04/30] bpf: refine memcg-based memory accounting for arraymap maps Shakeel Butt
     [not found] ` <20200821150134.2581465-6-guro@fb.com>
2020-08-27  1:24   ` [PATCH bpf-next v4 05/30] bpf: refine memcg-based memory accounting for cpumap maps Shakeel Butt
     [not found] ` <20200821150134.2581465-7-guro@fb.com>
2020-08-27  1:25   ` [PATCH bpf-next v4 06/30] bpf: memcg-based memory accounting for cgroup storage maps Shakeel Butt
     [not found] ` <20200821150134.2581465-8-guro@fb.com>
2020-08-27  1:38   ` [PATCH bpf-next v4 07/30] bpf: refine memcg-based memory accounting for devmap maps Shakeel Butt
     [not found] ` <20200821150134.2581465-9-guro@fb.com>
2020-08-28 16:44   ` [PATCH bpf-next v4 08/30] bpf: refine memcg-based memory accounting for hashtab maps Shakeel Butt

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