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From: Yang Yingliang <yangyingliang@huawei.com>
To: <linux-kernel@vger.kernel.org>, <linux-modules@vger.kernel.org>
Cc: <mcgrof@kernel.org>
Subject: [PATCH -next] module: Use vzalloc() instead of vmalloc()/memset(0)
Date: Mon, 4 Jul 2022 20:03:37 +0800	[thread overview]
Message-ID: <20220704120337.4119910-1-yangyingliang@huawei.com> (raw)

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

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 kernel/module/main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/kernel/module/main.c b/kernel/module/main.c
index fed58d30725d..02b67abc448f 100644
--- a/kernel/module/main.c
+++ b/kernel/module/main.c
@@ -2138,7 +2138,7 @@ static int move_module(struct module *mod, struct load_info *info)
 
 #ifdef CONFIG_ARCH_WANTS_MODULES_DATA_IN_VMALLOC
 	/* Do the allocs. */
-	ptr = vmalloc(mod->data_layout.size);
+	ptr = vzalloc(mod->data_layout.size);
 	/*
 	 * The pointer to this block is stored in the module structure
 	 * which is inside the block. Just mark it as not being a
@@ -2151,7 +2151,6 @@ static int move_module(struct module *mod, struct load_info *info)
 		return -ENOMEM;
 	}
 
-	memset(ptr, 0, mod->data_layout.size);
 	mod->data_layout.base = ptr;
 #endif
 	/* Transfer each section which specifies SHF_ALLOC */
-- 
2.25.1


             reply	other threads:[~2022-07-04 11:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-04 12:03 Yang Yingliang [this message]
2022-07-04 14:45 ` [PATCH -next] module: Use vzalloc() instead of vmalloc()/memset(0) Aaron Tomlin
2022-07-11 16:09 ` Luis Chamberlain

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