From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:38458 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751388AbdJEIcD (ORCPT ); Thu, 5 Oct 2017 04:32:03 -0400 Subject: Patch "MIPS: fix mem=X@Y commandline processing" has been added to the 4.9-stable tree To: marcin.nowakowski@imgtec.com, alexander.levin@verizon.com, gregkh@linuxfoundation.org, ralf@linux-mips.org Cc: , From: Date: Thu, 05 Oct 2017 10:30:24 +0200 Message-ID: <1507192224127134@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 MIPS: fix mem=X@Y commandline processing to the 4.9-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: mips-fix-mem-x-y-commandline-processing.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From foo@baz Thu Oct 5 10:28:31 CEST 2017 From: Marcin Nowakowski Date: Wed, 23 Nov 2016 14:43:49 +0100 Subject: MIPS: fix mem=X@Y commandline processing From: Marcin Nowakowski [ Upstream commit 73fbc1eba7ffa3bf0ad12486232a8a1edb4e4411 ] When a memory offset is specified through the commandline, add the memory in range PHYS_OFFSET:Y as reserved memory area. Otherwise the bootmem allocator is initialised with low page equal to min_low_pfn = PHYS_OFFSET, and in free_all_bootmem will process pages starting from min_low_pfn instead of PFN(Y). Signed-off-by: Marcin Nowakowski Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/14613/ Signed-off-by: Ralf Baechle Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- arch/mips/kernel/setup.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -589,6 +589,10 @@ static int __init early_parse_mem(char * start = memparse(p + 1, &p); add_memory_region(start, size, BOOT_MEM_RAM); + + if (start && start > PHYS_OFFSET) + add_memory_region(PHYS_OFFSET, start - PHYS_OFFSET, + BOOT_MEM_RESERVED); return 0; } early_param("mem", early_parse_mem); Patches currently in stable-queue which might be from marcin.nowakowski@imgtec.com are queue-4.9/mips-irq-stack-unwind-irq-stack-onto-task-stack.patch queue-4.9/mips-fix-mem-x-y-commandline-processing.patch queue-4.9/mips-kexec-do-not-reserve-invalid-crashkernel-memory-on-boot.patch