From: Yury Norov <yury.norov@gmail.com>
To: linux-kernel@vger.kernel.org,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Yury Norov <yury.norov@gmail.com>
Subject: [PATCH 2/6] bitmap: replace _reg_op(REG_OP_ALLOC) with bitmap_set()
Date: Wed, 26 Jul 2023 19:02:03 -0700 [thread overview]
Message-ID: <20230727020207.36314-3-yury.norov@gmail.com> (raw)
In-Reply-To: <20230727020207.36314-1-yury.norov@gmail.com>
_reg_op(REG_OP_ALLOC) duplicates bitmap_set(). Drop it.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
---
lib/bitmap.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 0bed9d943d96..346b848170e4 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -1352,9 +1352,12 @@ EXPORT_SYMBOL(bitmap_release_region);
*/
int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order)
{
+ unsigned int nbits = pos + BIT(order);
+
if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))
return -EBUSY;
- return __reg_op(bitmap, pos, order, REG_OP_ALLOC);
+ bitmap_set(bitmap, pos, nbits);
+ return 0;
}
EXPORT_SYMBOL(bitmap_allocate_region);
--
2.39.2
next prev parent reply other threads:[~2023-07-27 2:02 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-27 2:02 [PATCH 0/6] bitmap: cleanup bitmap_*_region() implementation Yury Norov
2023-07-27 2:02 ` [PATCH 1/6] bitmap: fix opencoded bitmap_allocate_region() Yury Norov
2023-07-27 10:04 ` Andy Shevchenko
2023-07-27 2:02 ` Yury Norov [this message]
2023-07-27 2:02 ` [PATCH 3/6] bitmap: replace _reg_op(REG_OP_RELEASE) with bitmap_clear() Yury Norov
2023-07-27 2:02 ` [PATCH 4/6] bitmap: replace _reg_op(REG_OP_ISFREE) with find_next_bit() Yury Norov
2023-07-27 10:05 ` Andy Shevchenko
2023-07-27 2:02 ` [PATCH 5/6] bitmap: drop _reg_op() function Yury Norov
2023-07-27 2:02 ` [PATCH 6/6] bitmap: move bitmap_*_region functions to bitmap.h Yury Norov
2023-07-27 5:09 ` kernel test robot
2023-07-27 5:20 ` kernel test robot
2023-07-27 10:06 ` Andy Shevchenko
2023-07-27 14:39 ` Yury Norov
-- strict thread matches above, loose matches on Subject: below --
2022-10-28 1:48 [PATCH 0/6] bitmap: remove _reg_op() Yury Norov
2022-10-28 1:48 ` [PATCH 2/6] bitmap: replace _reg_op(REG_OP_ALLOC) with bitmap_set() Yury Norov
2022-11-11 6:54 ` kernel test robot
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