From: Jesper Juhl <jj@chaosbits.net>
Date: Sat, 30 Oct 2010 19:56:26 +0000 (+0200)
Subject: profile: Use vzalloc() rather than vmalloc() & memset()
X-Git-Tag: firefly_0821_release~7613^2~1015^2~14^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=559fa6e76b271b98ff641fa2a968aa2439e43c28;p=firefly-linux-kernel-4.4.55.git

profile: Use vzalloc() rather than vmalloc() & memset()

There's no reason to memset() manually when we have vzalloc().

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: William Irwin <wli@holomorphy.com>
LKML-Reference: <alpine.LNX.2.00.1010302150310.1572@swampdragon.chaosbits.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/kernel/profile.c b/kernel/profile.c
index 66f841b7fbd3..14c9f87b9fc9 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -126,11 +126,9 @@ int __ref profile_init(void)
 	if (prof_buffer)
 		return 0;
 
-	prof_buffer = vmalloc(buffer_bytes);
-	if (prof_buffer) {
-		memset(prof_buffer, 0, buffer_bytes);
+	prof_buffer = vzalloc(buffer_bytes);
+	if (prof_buffer)
 		return 0;
-	}
 
 	free_cpumask_var(prof_cpu_mask);
 	return -ENOMEM;