On Wed, Sep 03, 2014 at 06:00:07PM +0100, Sudeep Holla wrote:
> diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
> index 2997af6d2ccd..26d8348292dd 100644
> --- a/include/linux/cpumask.h
> +++ b/include/linux/cpumask.h
> @@ -11,6 +11,8 @@
> #include <linux/bitmap.h>
> #include <linux/bug.h>
>
> +#include <asm/page.h>
> +
> typedef struct cpumask { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
>
> /**
> @@ -792,6 +794,31 @@ static inline const struct cpumask *get_cpu_mask(unsigned int cpu)
> }
> #endif /* NR_CPUS > BITS_PER_LONG */
>
> +/**
> + * cpumap_copy_to_buf - copies the cpumask into the buffer either
> + * as comma-separated list of cpus or hex values of cpumask
> + * @list: indicates whether the cpumap must be list
> + * @mask: the cpumask to copy
> + * @buf: the buffer to copy into
> + *
> + * Returns the length of the (null-terminated) @buf string, zero if
> + * nothing is copied.
> + */
> +static inline ssize_t
> +cpumap_copy_to_buf(bool list, const struct cpumask *mask, char *buf)
> +{
> + ptrdiff_t len = PTR_ALIGN(buf + PAGE_SIZE - 1, PAGE_SIZE) - buf - 2;
> + int n = 0;
> +
> + if (len > 1) {
> + n = list ? cpulist_scnprintf(buf, len, mask) :
> + cpumask_scnprintf(buf, len, mask);
> + buf[n++] = '\n';
> + buf[n] = '\0';
> + }
> + return n;
> +}
> +
Does that really make sense as an inline?
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