From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ww0-f49.google.com ([74.125.82.49]) by canuck.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1PvHUN-0003SD-Ru for barebox@lists.infradead.org; Thu, 03 Mar 2011 22:59:26 +0000 Received: by mail-ww0-f49.google.com with SMTP id 40so1440284wwj.18 for ; Thu, 03 Mar 2011 14:59:19 -0800 (PST) From: franck.jullien@gmail.com Date: Thu, 3 Mar 2011 23:58:48 +0100 Message-Id: <4d701d47.9009d80a.2cd3.5e96@mx.google.com> In-Reply-To: References: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 34/54] Add arch/nios2/include/asm/getorder.h To: barebox@lists.infradead.org From: Franck JULLIEN Add arch/nios2/include/asm/getorder.h --- arch/nios2/include/asm/getorder.h | 24 ++++++++++++++++++++++++ 1 files changed, 24 insertions(+), 0 deletions(-) create mode 100644 arch/nios2/include/asm/getorder.h diff --git a/arch/nios2/include/asm/getorder.h b/arch/nios2/include/asm/getorder.h new file mode 100644 index 0000000..67e7245 --- /dev/null +++ b/arch/nios2/include/asm/getorder.h @@ -0,0 +1,24 @@ +#ifndef __ASM_GENERIC_GETORDER_H +#define __ASM_GENERIC_GETORDER_H + +#ifndef __ASSEMBLY__ + +#include + +/* Pure 2^n version of get_order */ +static inline __attribute_const__ int get_order(unsigned long size) +{ + int order; + + size = (size - 1) >> (PAGE_SHIFT - 1); + order = -1; + do { + size >>= 1; + order++; + } while (size); + return order; +} + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_GENERIC_GETORDER_H */ -- 1.7.3.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox