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lib/bitmap.c: change parameters of bitmap_fold to unsigned

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Change the sz and nbits parameters of bitmap_fold to unsigned int for
consistency with other bitmap_* functions, and to save another few bytes
in the generated code.

[akpm@linux-foundation.org: fix kerneldoc]
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Rasmus Villemoes 2015-02-12 15:02:04 -08:00 committed by Linus Torvalds
parent eb56988378
commit b26ad5836c
2 changed files with 6 additions and 6 deletions
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2
include/linux/bitmap.h
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@ -166,7 +166,7 @@ extern int bitmap_bitremap(int oldbit,
extern void bitmap_onto(unsigned long *dst, const unsigned long *orig,
const unsigned long *relmap, unsigned int bits);
extern void bitmap_fold(unsigned long *dst, const unsigned long *orig,
int sz, int bits);
unsigned int sz, unsigned int nbits);
extern int bitmap_find_free_region(unsigned long *bitmap, unsigned int bits, int order);
extern void bitmap_release_region(unsigned long *bitmap, unsigned int pos, int order);
extern int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order);

10
lib/bitmap.c
View File

@ -1039,22 +1039,22 @@ EXPORT_SYMBOL(bitmap_onto);
* @dst: resulting smaller bitmap
* @orig: original larger bitmap
* @sz: specified size
* @bits: number of bits in each of these bitmaps
* @nbits: number of bits in each of these bitmaps
*
* For each bit oldbit in @orig, set bit oldbit mod @sz in @dst.
* Clear all other bits in @dst. See further the comment and
* Example [2] for bitmap_onto() for why and how to use this.
*/
void bitmap_fold(unsigned long *dst, const unsigned long *orig,
int sz, int bits)
unsigned int sz, unsigned int nbits)
{
int oldbit;
unsigned int oldbit;
if (dst == orig) /* following doesn't handle inplace mappings */
return;
bitmap_zero(dst, bits);
bitmap_zero(dst, nbits);
for_each_set_bit(oldbit, orig, bits)
for_each_set_bit(oldbit, orig, nbits)
set_bit(oldbit % sz, dst);
}
EXPORT_SYMBOL(bitmap_fold);