linux-ext4 - Re: [PATCH v3 06/10] lib: test_hmm add ioctl to get zone device type

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Date:   Thu, 20 Jan 2022 16:01:31 +1100
From:   Alistair Popple <apopple@...dia.com>
To:     <akpm@...ux-foundation.org>, <Felix.Kuehling@....com>,
        <linux-mm@...ck.org>, <rcampbell@...dia.com>,
        <linux-ext4@...r.kernel.org>, <linux-xfs@...r.kernel.org>,
        Alex Sierra <alex.sierra@....com>
CC:     <amd-gfx@...ts.freedesktop.org>, <dri-devel@...ts.freedesktop.org>,
        <hch@....de>, <jgg@...dia.com>, <jglisse@...hat.com>,
        <willy@...radead.org>
Subject: Re: [PATCH v3 06/10] lib: test_hmm add ioctl to get zone device type

On Tuesday, 11 January 2022 9:31:57 AM AEDT Alex Sierra wrote:

[...]

> +enum {
> +	/* 0 is reserved to catch uninitialized type fields */

This seems unnecessary and can be dropped to start at zero.

Reviewed-by: Alistair Popple <apopple@...dia.com>

> +	HMM_DMIRROR_MEMORY_DEVICE_PRIVATE = 1,
> +};
> +
>  #endif /* _LIB_TEST_HMM_UAPI_H */
>