From: Christophe JAILLET Date: Mon, 4 Jul 2022 19:06:46 +0000 (+0200) Subject: csky: Use the bitmap API to allocate bitmaps X-Git-Tag: v6.0-rc1~126^2~7 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=49a1a3cf7316e464e559850a965f3826b1562458;p=tomoyo%2Ftomoyo-test1.git 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 Signed-off-by: Guo Ren --- 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;