lib/bitmap-str: get rid of cpumap_print_to_pagebuf()

Now that all users of the function are switched to the alternatives,
drop the function.

Signed-off-by: Yury Norov <ynorov@nvidia.com>

include/linux/cpumask.h

@@ -13,7 +13,6 @@
 #include <linux/cpumask_types.h>
 #include <linux/gfp_types.h>
 #include <linux/numa.h>
-#include <linux/sprintf.h>
 #include <linux/threads.h>
 #include <linux/types.h>
 #include <vdso/page.h>
@@ -1315,24 +1314,6 @@ static __always_inline bool cpu_dying(unsigned int cpu)
 }
 #endif /* NR_CPUS > BITS_PER_LONG */
 
-/**
- * cpumap_print_to_pagebuf  - 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
- *
- * Return: the length of the (null-terminated) @buf string, zero if
- * nothing is copied.
- */
-static __always_inline ssize_t
-cpumap_print_to_pagebuf(bool list, char *buf, const struct cpumask *mask)
-{
-	/* Opencode offset_in_page(buf) to not include linux/mm.h */
-	return scnprintf(buf, PAGE_SIZE - ((unsigned long)buf & ~PAGE_MASK),
-			 list ? "%*pbl\n" : "%*pb\n", cpumask_pr_args(mask));
-}
-
 /**
  * cpumap_print_bitmask_to_buf  - copies the cpumask into the buffer as
  *	hex values of cpumask

lib/bitmap-str.c

@@ -75,8 +75,7 @@ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp,
  * @off: in the string from which we are copying, We copy to @buf
  * @count: the maximum number of bytes to print
  *
- * The sprintf("%*pb[l]") is used indirectly via its cpumap wrapper
- * cpumap_print_to_pagebuf() or directly by drivers to export hexadecimal
+ * The sprintf("%*pb[l]") format is used by drivers to export hexadecimal
  * bitmask and decimal list to userspace by sysfs ABI.
  * Drivers might be using a normal attribute for this kind of ABIs. A
  * normal attribute typically has show entry as below::
@@ -115,9 +114,9 @@ static int bitmap_print_to_buf(bool list, char *buf, const unsigned long *maskp,
  * parameters such as off, count from bin_attribute show entry to this API.
  *
  * The role of cpumap_print_bitmask_to_buf() and cpumap_print_list_to_buf()
- * is similar with cpumap_print_to_pagebuf(),  the difference is that
- * scnprintf("%*pb[l]") mainly serves sysfs attribute with the assumption
- * the destination buffer is exactly one page and won't be more than one page.
+ * is similar to direct sysfs_emit("%*pb[l]") formatting, but the latter
+ * assumes the destination buffer is exactly one page and won't be more than
+ * one page.
  * cpumap_print_bitmask_to_buf() and cpumap_print_list_to_buf(), on the other
  * hand, mainly serves bin_attribute which doesn't work with exact one page,
  * and it can break the size limit of converted decimal list and hexadecimal