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| author |   James Morris <jmorris@namei.org> | 2010-01-18 09:56:22 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2010-01-18 09:56:22 +1100 |
| commit | 2457552d1e6f3183cd93f81c49a8da5fe8bb0e42 (patch) | |
| tree | 7ca46caa910012d75617700e4083b3657053cb31 /drivers/net/mlx4/alloc.c | |
| parent | selinux: change the handling of unknown classes (diff) | |
| parent | page allocator: update NR_FREE_PAGES only when necessary (diff) | |
| download | linux-dev-2457552d1e6f3183cd93f81c49a8da5fe8bb0e42.tar.xz linux-dev-2457552d1e6f3183cd93f81c49a8da5fe8bb0e42.zip | |
Merge branch 'master' into next
Diffstat (limited to 'drivers/net/mlx4/alloc.c')
| -rw-r--r-- | drivers/net/mlx4/alloc.c | 37 |
1 files changed, 4 insertions, 33 deletions
diff --git a/drivers/net/mlx4/alloc.c b/drivers/net/mlx4/alloc.c index ad95d5f7b630..8c8515619b8e 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) { |