From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759990AbaGCWnr (ORCPT ); Thu, 3 Jul 2014 18:43:47 -0400 Received: from mail-la0-f41.google.com ([209.85.215.41]:57254 "EHLO mail-la0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759962AbaGCWno (ORCPT ); Thu, 3 Jul 2014 18:43:44 -0400 From: Rasmus Villemoes To: linux-kernel@vger.kernel.org Cc: Rasmus Villemoes Subject: [PATCH 15/18] lib: bitmap: Micro-optimize bitmap_allocate_region Date: Fri, 4 Jul 2014 00:43:01 +0200 Message-Id: <1404427384-11422-16-git-send-email-linux@rasmusvillemoes.dk> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1404427384-11422-1-git-send-email-linux@rasmusvillemoes.dk> References: <1404427384-11422-1-git-send-email-linux@rasmusvillemoes.dk> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org __reg_op(..., REG_OP_ALLOC) always returns 0, so we might as well use that and save an instruction. Signed-off-by: Rasmus Villemoes --- lib/bitmap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/bitmap.c b/lib/bitmap.c index c2f3807..faaf720 100644 --- a/lib/bitmap.c +++ b/lib/bitmap.c @@ -1154,8 +1154,7 @@ int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order) { if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE)) return -EBUSY; - __reg_op(bitmap, pos, order, REG_OP_ALLOC); - return 0; + return __reg_op(bitmap, pos, order, REG_OP_ALLOC); } EXPORT_SYMBOL(bitmap_allocate_region); -- 1.9.2