From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:48592 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755783AbcDJRLm (ORCPT ); Sun, 10 Apr 2016 13:11:42 -0400 Subject: Patch "of: alloc anywhere from memblock if range not specified" has been added to the 4.5-stable tree To: vinmenon@codeaurora.org, gregkh@linuxfoundation.org, m.szyprowski@samsung.com, robh@kernel.org Cc: , From: Date: Sun, 10 Apr 2016 10:11:40 -0700 Message-ID: <146030830028191@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled of: alloc anywhere from memblock if range not specified to the 4.5-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: of-alloc-anywhere-from-memblock-if-range-not-specified.patch and it can be found in the queue-4.5 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From e53b50c0cbe392c946807abf7d07615a3c588642 Mon Sep 17 00:00:00 2001 From: Vinayak Menon Date: Mon, 22 Feb 2016 19:15:44 +0530 Subject: of: alloc anywhere from memblock if range not specified From: Vinayak Menon commit e53b50c0cbe392c946807abf7d07615a3c588642 upstream. early_init_dt_alloc_reserved_memory_arch passes end as 0 to __memblock_alloc_base, when limits are not specified. But __memblock_alloc_base takes end value of 0 as MEMBLOCK_ALLOC_ACCESSIBLE and limits the end to memblock.current_limit. This results in regions never being placed in HIGHMEM area, for e.g. CMA. Let __memblock_alloc_base allocate from anywhere in memory if limits are not specified. Acked-by: Marek Szyprowski Signed-off-by: Vinayak Menon Signed-off-by: Rob Herring Signed-off-by: Greg Kroah-Hartman --- drivers/of/of_reserved_mem.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -32,11 +32,13 @@ int __init __weak early_init_dt_alloc_re phys_addr_t align, phys_addr_t start, phys_addr_t end, bool nomap, phys_addr_t *res_base) { + phys_addr_t base; /* * We use __memblock_alloc_base() because memblock_alloc_base() * panic()s on allocation failure. */ - phys_addr_t base = __memblock_alloc_base(size, align, end); + end = !end ? MEMBLOCK_ALLOC_ANYWHERE : end; + base = __memblock_alloc_base(size, align, end); if (!base) return -ENOMEM; Patches currently in stable-queue which might be from vinmenon@codeaurora.org are queue-4.5/of-alloc-anywhere-from-memblock-if-range-not-specified.patch