diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2022-07-04 21:06:46 +0200 |
|---|---|---|
| committer | Guo Ren <guoren@linux.alibaba.com> | 2022-07-22 21:36:14 -0400 |
| commit | 49a1a3cf7316e464e559850a965f3826b1562458 (patch) | |
| tree | d567a41f12f8f43150e23f26a05ad3a30ca9d15b /arch/csky/mm | |
| parent | a2310c74d418deca0f1d749c45f1f43162510f51 (diff) | |
csky: Use the bitmap API to allocate bitmaps
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.
It is less verbose and it improves the semantic.
While at it, turn a bitmap_clear() into an equivalent bitmap_zero(). It is
also less verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Guo Ren <guoren@kernel.org>
Diffstat (limited to 'arch/csky/mm')
| -rw-r--r-- | arch/csky/mm/asid.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/csky/mm/asid.c b/arch/csky/mm/asid.c index b2e914745c1d..7fb6c417bbac 100644 --- a/arch/csky/mm/asid.c +++ b/arch/csky/mm/asid.c @@ -27,7 +27,7 @@ static void flush_context(struct asid_info *info) u64 asid; /* Update the list of reserved ASIDs and the ASID bitmap. */ - bitmap_clear(info->map, 0, NUM_CTXT_ASIDS(info)); + bitmap_zero(info->map, NUM_CTXT_ASIDS(info)); for_each_possible_cpu(i) { asid = atomic64_xchg_relaxed(&active_asid(info, i), 0); @@ -178,8 +178,7 @@ int asid_allocator_init(struct asid_info *info, */ WARN_ON(NUM_CTXT_ASIDS(info) - 1 <= num_possible_cpus()); atomic64_set(&info->generation, ASID_FIRST_VERSION(info)); - info->map = kcalloc(BITS_TO_LONGS(NUM_CTXT_ASIDS(info)), - sizeof(*info->map), GFP_KERNEL); + info->map = bitmap_zalloc(NUM_CTXT_ASIDS(info), GFP_KERNEL); if (!info->map) return -ENOMEM; |