Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759383AbaGCSLw (ORCPT ); Thu, 3 Jul 2014 14:11:52 -0400 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:60311 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751726AbaGCSLv (ORCPT ); Thu, 3 Jul 2014 14:11:51 -0400 Date: Thu, 3 Jul 2014 19:10:59 +0100 From: Will Deacon To: Laura Abbott Cc: Catalin Marinas , David Riley , "linux-arm-kernel@lists.infradead.org" , Ritesh Harjain , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCHv4 1/5] lib/genalloc.c: Add power aligned algorithm Message-ID: <20140703181059.GJ17372@arm.com> References: <1404324218-4743-1-git-send-email-lauraa@codeaurora.org> <1404324218-4743-2-git-send-email-lauraa@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1404324218-4743-2-git-send-email-lauraa@codeaurora.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 02, 2014 at 07:03:34PM +0100, Laura Abbott wrote: > > One of the more common algorithms used for allocation > is to align the start address of the allocation to > the order of size requested. Add this as an algorithm > option for genalloc. > > Signed-off-by: Laura Abbott > --- > include/linux/genalloc.h | 4 ++++ > lib/genalloc.c | 20 ++++++++++++++++++++ > 2 files changed, 24 insertions(+) > > diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h > index 1c2fdaa..3cd0934 100644 > --- a/include/linux/genalloc.h > +++ b/include/linux/genalloc.h > @@ -110,6 +110,10 @@ extern void gen_pool_set_algo(struct gen_pool *pool, genpool_algo_t algo, > extern unsigned long gen_pool_first_fit(unsigned long *map, unsigned long size, > unsigned long start, unsigned int nr, void *data); > > +extern unsigned long gen_pool_first_fit_order_align(unsigned long *map, > + unsigned long size, unsigned long start, unsigned int nr, > + void *data); > + You could also update gen_pool_first_fit to call this new function instead. Anyway, that's up to you: Acked-by: Will Deacon Will -- 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/