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Groups > linux.kernel > #1453429
| From | David Ahern <dsahern@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 1/7] tools lib: Add bitmap_alloc function |
| Date | 2016-08-01 22:00 +0200 |
| Message-ID | <s1rxv-2ia-1@gated-at.bofh.it> (permalink) |
| References | <s1pYK-1pc-11@gated-at.bofh.it> <s1pYK-1pc-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 8/1/16 12:02 PM, Jiri Olsa wrote:
> @@ -65,4 +66,13 @@ static inline int test_and_set_bit(int nr, unsigned long *addr)
> return (old & mask) != 0;
> }
>
> +/**
> + * bitmap_alloc - Allocate bitmap
> + * @nr: Bit to set
> + */
> +static inline unsigned long *bitmap_alloc(int nbits)
> +{
> + return malloc(BITS_TO_LONGS(nbits) * sizeof(unsigned long));
> +}
> +
> #endif /* _PERF_BITOPS_H */
calloc? Can't imagine any user wanting an uninitialized bitmap.
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[PATCH 1/7] tools lib: Add bitmap_alloc function Jiri Olsa <jolsa@kernel.org> - 2016-08-01 20:20 +0200
Re: [PATCH 1/7] tools lib: Add bitmap_alloc function David Ahern <dsahern@gmail.com> - 2016-08-01 22:00 +0200
Re: [PATCH 1/7] tools lib: Add bitmap_alloc function Jiri Olsa <jolsa@redhat.com> - 2016-08-02 11:40 +0200
[PATCHv2 1/7] tools lib: Add bitmap_alloc function Jiri Olsa <jolsa@redhat.com> - 2016-08-02 13:50 +0200
Re: [PATCHv2 1/7] tools lib: Add bitmap_alloc function Jiri Olsa <jolsa@redhat.com> - 2016-08-02 15:20 +0200
Re: [PATCHv2 1/7] tools lib: Add bitmap_alloc function Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-08-02 16:20 +0200
[tip:perf/urgent] tools lib: Add bitmap_alloc function tip-bot for Jiri Olsa <tipbot@zytor.com> - 2016-08-04 11:20 +0200
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