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path: root/drivers/net/mlx4/alloc.c
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Diffstat (limited to 'drivers/net/mlx4/alloc.c')
-rw-r--r--drivers/net/mlx4/alloc.c37
1 files changed, 4 insertions, 33 deletions
diff --git a/drivers/net/mlx4/alloc.c b/drivers/net/mlx4/alloc.c
index ad95d5f7b63..8c8515619b8 100644
--- a/drivers/net/mlx4/alloc.c
+++ b/drivers/net/mlx4/alloc.c
@@ -72,35 +72,6 @@ void mlx4_bitmap_free(struct mlx4_bitmap *bitmap, u32 obj)
mlx4_bitmap_free_range(bitmap, obj, 1);
}
-static unsigned long find_aligned_range(unsigned long *bitmap,
- u32 start, u32 nbits,
- int len, int align)
-{
- unsigned long end, i;
-
-again:
- start = ALIGN(start, align);
-
- while ((start < nbits) && test_bit(start, bitmap))
- start += align;
-
- if (start >= nbits)
- return -1;
-
- end = start+len;
- if (end > nbits)
- return -1;
-
- for (i = start + 1; i < end; i++) {
- if (test_bit(i, bitmap)) {
- start = i + 1;
- goto again;
- }
- }
-
- return start;
-}
-
u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align)
{
u32 obj, i;
@@ -110,13 +81,13 @@ u32 mlx4_bitmap_alloc_range(struct mlx4_bitmap *bitmap, int cnt, int align)
spin_lock(&bitmap->lock);
- obj = find_aligned_range(bitmap->table, bitmap->last,
- bitmap->max, cnt, align);
+ obj = bitmap_find_next_zero_area(bitmap->table, bitmap->max,
+ bitmap->last, cnt, align - 1);
if (obj >= bitmap->max) {
bitmap->top = (bitmap->top + bitmap->max + bitmap->reserved_top)
& bitmap->mask;
- obj = find_aligned_range(bitmap->table, 0, bitmap->max,
- cnt, align);
+ obj = bitmap_find_next_zero_area(bitmap->table, bitmap->max,
+ 0, cnt, align - 1);
}
if (obj < bitmap->max) {