linux-kernel - Re: [PATCH 2/6] bitmap_parselist: move non-parser logic to helpers

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Message-Id: <20190325145428.b826c281daa7f5cd1f110efe@linux-foundation.org>
Date:   Mon, 25 Mar 2019 14:54:28 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     Yury Norov <yury.norov@...il.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Arnd Bergmann <arnd@...db.de>,
        Kees Cook <keescook@...omium.org>,
        Matthew Wilcox <willy@...radead.org>,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        Yury Norov <ynorov@...vell.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] bitmap_parselist: move non-parser logic to helpers

On Tue, 26 Mar 2019 00:07:44 +0300 Yury Norov <yury.norov@...il.com> wrote:

> --- a/lib/bitmap.c
> +++ b/lib/bitmap.c
> @@ -477,6 +477,42 @@ int bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp,
>  }
>  EXPORT_SYMBOL(bitmap_print_to_pagebuf);
>  
> +/*
> + * Region 9-38:4/10 describes the following bitmap structure:
> + * 0	   9  12    18			38
> + * .........****......****......****......
> + *	    ^  ^     ^			 ^
> + *      start  off   grlen	       end
> + */
> +struct region {
> +	unsigned int start;
> +	unsigned int off;
> +	unsigned int grlen;
> +	unsigned int end;
> +};

grlen means...  group_len, I think?

Perhaps it should be called group_len ;)