linux-kernel - [PATCH v1] lib/test_printf: Switch to bitmap

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Date:   Mon,  4 Mar 2019 12:00:09 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux@...musvillemoes.dk
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1] lib/test_printf: Switch to bitmap_zalloc()

Switch to bitmap_zalloc() to show clearly what we are allocating.
Besides that it returns pointer of bitmap type instead of opaque void *.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 lib/test_printf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/test_printf.c b/lib/test_printf.c
index 659b6cc0d483..e8206d8d2d08 100644
--- a/lib/test_printf.c
+++ b/lib/test_printf.c
@@ -481,14 +481,14 @@ static void __init
 large_bitmap(void)
 {
 	const int nbits = 1 << 16;
-	unsigned long *bits = kcalloc(BITS_TO_LONGS(nbits), sizeof(long), GFP_KERNEL);
+	unsigned long *bits = bitmap_zalloc(nbits, GFP_KERNEL);
 	if (!bits)
 		return;
 
 	bitmap_set(bits, 1, 20);
 	bitmap_set(bits, 60000, 15);
 	test("1-20,60000-60014", "%*pbl", nbits, bits);
-	kfree(bits);
+	bitmap_free(bits);
 }
 
 static void __init
-- 
2.20.1