From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f178.google.com (mail-pd0-f178.google.com [209.85.192.178]) by kanga.kvack.org (Postfix) with ESMTP id 3FDEE6B0035 for ; Tue, 6 May 2014 19:24:15 -0400 (EDT) Received: by mail-pd0-f178.google.com with SMTP id r10so174619pdi.23 for ; Tue, 06 May 2014 16:24:14 -0700 (PDT) Received: from mail-pa0-x22e.google.com (mail-pa0-x22e.google.com [2607:f8b0:400e:c03::22e]) by mx.google.com with ESMTPS id ho7si12758672pad.110.2014.05.06.16.24.14 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 06 May 2014 16:24:14 -0700 (PDT) Received: by mail-pa0-f46.google.com with SMTP id kx10so186639pab.33 for ; Tue, 06 May 2014 16:24:13 -0700 (PDT) From: Marc Carino Subject: [PATCH] cma: increase CMA_ALIGNMENT upper limit to 12 Date: Tue, 6 May 2014 16:23:55 -0700 Message-Id: <1399418636-31114-1-git-send-email-marc.ceeeee@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: Marc Carino , Marek Szyprowski , linaro-mm-sig@lists.linaro.org Certain platforms contain peripherals which have contiguous memory alignment requirements, necessitating the use of the alignment argument when obtaining CMA memory. The current default maximum CMA_ALIGNMENT of order 9 translates into a 1MB alignment on systems with a 4K page size. To accommodate systems with peripherals with even larger alignment requirements, increase the upper-bound of CMA_ALIGNMENT from order 9 to order 12. Marc Carino (1): cma: increase CMA_ALIGNMENT upper limit to 12 drivers/base/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org