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SubjectRe: [PATCH v20 1/7] xbitmap: Introduce xbitmap
Matthew,

On Tue, Dec 19, 2017 at 1:17 PM, Wei Wang <wei.w.wang@intel.com> wrote:
> From: Matthew Wilcox <mawilcox@microsoft.com>
>
> The eXtensible Bitmap is a sparse bitmap representation which is
> efficient for set bits which tend to cluster. It supports up to
> 'unsigned long' worth of bits, and this commit adds the bare bones --
> xb_set_bit(), xb_clear_bit() and xb_test_bit().

<snip>

> --- /dev/null
> +++ b/include/linux/xbitmap.h
> @@ -0,0 +1,49 @@
> +/*
> + * eXtensible Bitmaps
> + * Copyright (c) 2017 Microsoft Corporation <mawilcox@microsoft.com>
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of the
> + * License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * eXtensible Bitmaps provide an unlimited-size sparse bitmap facility.
> + * All bits are initially zero.
> + */

Would you mind using the new SPDX tags documented in Thomas patch set
[1] rather than this fine but longer legalese?

And if you could spread the word to others in your team this would be very nice.

Thank you!

[1] https://lkml.org/lkml/2017/12/4/934

--
Cordially
Philippe Ombredanne

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