From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f170.google.com (mail-pd0-f170.google.com [209.85.192.170]) by kanga.kvack.org (Postfix) with ESMTP id 83BFB6B0035 for ; Fri, 12 Sep 2014 06:20:57 -0400 (EDT) Received: by mail-pd0-f170.google.com with SMTP id fp1so929226pdb.15 for ; Fri, 12 Sep 2014 03:20:56 -0700 (PDT) Received: from cnbjrel02.sonyericsson.com (cnbjrel02.sonyericsson.com. [219.141.167.166]) by mx.google.com with ESMTPS id rf9si6744941pbc.221.2014.09.12.03.20.54 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 12 Sep 2014 03:20:56 -0700 (PDT) From: "Wang, Yalin" Date: Fri, 12 Sep 2014 18:17:18 +0800 Subject: [PATCH] arm64:free_initrd_mem should also free the memblock Message-ID: <35FD53F367049845BC99AC72306C23D103CDBFBFB029@CNBJMBX05.corpusers.net> Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: 'Will Deacon' , "'linux@arm.linux.org.uk'" , "'linux-kernel@vger.kernel.org'" , "'linux-arm-kernel@lists.infradead.org'" , "'linux-mm@kvack.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; =20 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); + } } =20 static int __init keepinitrd_setup(char *__unused) --=20 2.1.0 -- 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