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bitmap: align __reg_op() wrappers with modern coding style

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Fix comments so that scripts/kernel-doc doesn't warn, and fix for-loop
stype in bitmap_find_free_region().

CC: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
This commit is contained in:
Yury Norov 2023-09-24 19:38:10 -07:00
parent aae06fc1b5
commit 82bf9bdfbc
1 changed files with 5 additions and 7 deletions
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12
lib/bitmap.c
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@ -722,8 +722,8 @@ void bitmap_fold(unsigned long *dst, const unsigned long *orig,
* some size '1 << order' (a power of two), aligned to that same
* '1 << order' power of two.
*
* Returns 1 if REG_OP_ISFREE succeeds (region is all zero bits).
* Returns 0 in all other cases and reg_ops.
* Return: 1 if REG_OP_ISFREE succeeds (region is all zero bits).
* 0 in all other cases and reg_ops.
*/
enum {
@ -795,14 +795,14 @@ static int __reg_op(unsigned long *bitmap, unsigned int pos, int order, int reg_
* a power (@order) of two, aligned to that power of two, which
* makes the search algorithm much faster.
*
* Return the bit offset in bitmap of the allocated region,
* Return: the bit offset in bitmap of the allocated region,
* or -errno on failure.
*/
int bitmap_find_free_region(unsigned long *bitmap, unsigned int bits, int order)
{
unsigned int pos, end; /* scans bitmap by regions of size order */
for (pos = 0 ; (end = pos + (1U << order)) <= bits; pos = end) {
for (pos = 0; (end = pos + BIT(order)) <= bits; pos = end) {
if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))
continue;
__reg_op(bitmap, pos, order, REG_OP_ALLOC);
@ -820,8 +820,6 @@ EXPORT_SYMBOL(bitmap_find_free_region);
*
* This is the complement to __bitmap_find_free_region() and releases
* the found region (by clearing it in the bitmap).
*
* No return value.
*/
void bitmap_release_region(unsigned long *bitmap, unsigned int pos, int order)
{
@ -837,7 +835,7 @@ EXPORT_SYMBOL(bitmap_release_region);
*
* Allocate (set bits in) a specified region of a bitmap.
*
* Return 0 on success, or %-EBUSY if specified region wasn't
* Return: 0 on success, or %-EBUSY if specified region wasn't
* free (not all bits were zero).
*/
int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order)