Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752198AbaKJI5t (ORCPT ); Mon, 10 Nov 2014 03:57:49 -0500 Received: from mail-la0-f54.google.com ([209.85.215.54]:56433 "EHLO mail-la0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751501AbaKJI5r (ORCPT ); Mon, 10 Nov 2014 03:57:47 -0500 MIME-Version: 1.0 In-Reply-To: <20140719113513.GA23586@himangi-Dell> References: <20140719113513.GA23586@himangi-Dell> Date: Mon, 10 Nov 2014 09:57:45 +0100 X-Google-Sender-Auth: NUOM9_nJU9RSk6whk3DczYRIB1o Message-ID: Subject: Re: [PATCH] mm/m68k: Eliminate memset after alloc_bootmem_pages From: Geert Uytterhoeven To: Himangi Saraogi Cc: linux-m68k , "linux-kernel@vger.kernel.org" , Julia Lawall Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 19, 2014 at 1:35 PM, Himangi Saraogi wrote: > alloc_bootmem and related functions always return a zeroed region of memory. > Thus a memset after calls to these functions is unnecessary. > > The following Coccinelle semantic patch was used for making the change: > > @@ > expression E,E1; > @@ > > E = \(alloc_bootmem\|alloc_bootmem_low\|alloc_bootmem_pages\|alloc_bootmem_low_pages\)(...) > ... when != E > - memset(E,0,E1); > > Signed-off-by: Himangi Saraogi > Acked-by: Julia Lawall Thanks, applied and queued for v3.19. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/