linux-kernel - [PATCH] tools/testing/nvdimm: use vzalloc() instead of vmalloc()/memset(0)

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Date:   Mon, 31 May 2021 09:48:35 +0800
From:   Wu Bo <wubo40@...wei.com>
To:     <dan.j.williams@...el.com>, <vishal.l.verma@...el.com>,
        <dave.jiang@...el.com>, <ira.weiny@...el.com>, <bp@...e.de>,
        <rafael.j.wysocki@...el.com>, <mpe@...erman.id.au>,
        <nvdimm@...ts.linux.dev>, <linux-kernel@...r.kernel.org>
CC:     <linfeilong@...wei.com>, <wubo40@...wei.com>
Subject: [PATCH] tools/testing/nvdimm: use vzalloc() instead of vmalloc()/memset(0)

Use vzalloc() instead of vmalloc() and memset(0) to simpify
the code.

Signed-off-by: Wu Bo <wubo40@...wei.com>
---
 tools/testing/nvdimm/test/nfit.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index 54f367cbadae..258bba22780b 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -1625,7 +1625,6 @@ static void *__test_alloc(struct nfit_test *t, size_t size, dma_addr_t *dma,
 	if (rc)
 		goto err;
 	INIT_LIST_HEAD(&nfit_res->list);
-	memset(buf, 0, size);
 	nfit_res->dev = dev;
 	nfit_res->buf = buf;
 	nfit_res->res.start = *dma;
@@ -1652,7 +1651,7 @@ static void *test_alloc(struct nfit_test *t, size_t size, dma_addr_t *dma)
 	struct genpool_data_align data = {
 		.align = SZ_128M,
 	};
-	void *buf = vmalloc(size);
+	void *buf = vzalloc(size);
 
 	if (size >= DIMM_SIZE)
 		*dma = gen_pool_alloc_algo(nfit_pool, size,
-- 
2.30.0