linux-kernel - Re: [RFC PATCH 01/19] mm: Introduce vm

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Message-ID: <Y896ugI8HoXDRjp3@infradead.org>
Date:   Mon, 23 Jan 2023 22:29:14 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Alistair Popple <apopple@...dia.com>
Cc:     linux-mm@...ck.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org, jgg@...dia.com, jhubbard@...dia.com,
        tjmercier@...gle.com, hannes@...xchg.org, surenb@...gle.com,
        mkoutny@...e.com, daniel@...ll.ch, linuxppc-dev@...ts.ozlabs.org,
        linux-fpga@...r.kernel.org, linux-rdma@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        netdev@...r.kernel.org, io-uring@...r.kernel.org,
        bpf@...r.kernel.org, rds-devel@....oracle.com,
        linux-kselftest@...r.kernel.org
Subject: Re: [RFC PATCH 01/19] mm: Introduce vm_account

> +/**
> + * vm_account_init - Initialise a new struct vm_account.
> + * @vm_account: pointer to uninitialised vm_account.
> + * @task: task to charge against.
> + * @user: user to charge against. Must be non-NULL for VM_ACCOUNT_USER.
> + * @flags: flags to use when charging to vm_account.
> + *
> + * Initialise a new uninitialiused struct vm_account. Takes references
> + * on the task/mm/user/cgroup as required although callers must ensure
> + * any references passed in remain valid for the duration of this
> + * call.
> + */
> +void vm_account_init(struct vm_account *vm_account, struct task_struct *task,
> +		struct user_struct *user, enum vm_account_flags flags);


kerneldoc comments are supposed to be next to the implementation, and
not the declaration in the header.