linux-kernel - Re: [PATCH bpf-next v7 09/34] bpf: refine memcg-based memory accounting for cpumap maps

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Message-ID: <B7CE40F7-90EB-466B-AD5F-566772B51D31@fb.com>
Date:   Fri, 20 Nov 2020 01:33:22 +0000
From:   Song Liu <songliubraving@...com>
To:     Roman Gushchin <guro@...com>
CC:     "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "ast@...nel.org" <ast@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "andrii@...nel.org" <andrii@...nel.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH bpf-next v7 09/34] bpf: refine memcg-based memory
 accounting for cpumap maps



> On Nov 19, 2020, at 9:37 AM, Roman Gushchin <guro@...com> wrote:
> 
> Include metadata and percpu data into the memcg-based memory
> accounting. Switch allocations made from an update path to
> new bpf_map_* allocation helpers to make the accounting work
> properly from an interrupt context.
> 
> Signed-off-by: Roman Gushchin <guro@...com>

Acked-by: Song Liu <songliubraving@...com>