From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752339AbaILKUw (ORCPT ); Fri, 12 Sep 2014 06:20:52 -0400 Received: from cnbjrel02.sonyericsson.com ([219.141.167.166]:10780 "EHLO cnbjrel02.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751003AbaILKUv convert rfc822-to-8bit (ORCPT ); Fri, 12 Sep 2014 06:20:51 -0400 From: "Wang, Yalin" To: "'Will Deacon'" , "'linux@arm.linux.org.uk'" , "'linux-kernel@vger.kernel.org'" , "'linux-arm-kernel@lists.infradead.org'" , "'linux-mm@kvack.org'" Date: Fri, 12 Sep 2014 18:17:18 +0800 Subject: [PATCH] arm64:free_initrd_mem should also free the memblock Thread-Topic: [PATCH] arm64:free_initrd_mem should also free the memblock Thread-Index: Ac/Ocrt9M2HM5eNhS8yrBONkcjGjyQ== Message-ID: <35FD53F367049845BC99AC72306C23D103CDBFBFB029@CNBJMBX05.corpusers.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org this patch fix the memblock statics for memblock in file /sys/kernel/debug/memblock/reserved if we don't call memblock_free the initrd will still be marked as reserved, even they are freed. Signed-off-by: Yalin Wang --- arch/arm64/mm/init.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 5472c24..34605c8 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -334,8 +334,10 @@ static int keep_initrd; void free_initrd_mem(unsigned long start, unsigned long end) { - if (!keep_initrd) + if (!keep_initrd) { free_reserved_area((void *)start, (void *)end, 0, "initrd"); + memblock_free(__pa(start), end - start); + } } static int __init keepinitrd_setup(char *__unused) -- 2.1.0