profile: Use vzalloc() rather than vmalloc() & memset()
authorJesper Juhl <jj@chaosbits.net>
Sat, 30 Oct 2010 19:56:26 +0000 (21:56 +0200)
committerIngo Molnar <mingo@elte.hu>
Sun, 31 Oct 2010 08:47:26 +0000 (09:47 +0100)
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>
kernel/profile.c

index 66f841b7fbd38fd0fcca92d62c4f70860b24bbb2..14c9f87b9fc95d8eeb545b7fe29cccc171c9df47 100644 (file)
@@ -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;