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Fri, 11 Jun 2021 13:12:58 +0000 From: Dong Aisheng To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, dongas86@gmail.com, linux-arm-kernel@lists.infradead.org, Dong Aisheng , Rob Herring , devicetree@vger.kernel.org Subject: [PATCH 2/2] of: of_reserved_mem: mark nomap memory instead of removing Date: Fri, 11 Jun 2021 21:11:53 +0800 Message-Id: <20210611131153.3731147-2-aisheng.dong@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210611131153.3731147-1-aisheng.dong@nxp.com> References: <20210611131153.3731147-1-aisheng.dong@nxp.com> X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR04CA0169.apcprd04.prod.outlook.com (2603:1096:4::31) To DB9PR04MB8477.eurprd04.prod.outlook.com (2603:10a6:10:2c3::11) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR04CA0169.apcprd04.prod.outlook.com (2603:1096:4::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4219.21 via Frontend Transport; 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But it only changed the reserved memory with fixed addr and size case in early_init_dt_reserve_memory_arch(), not including the dynamical allocation by size case in early_init_dt_alloc_reserved_memory_arch(). Cc: Rob Herring Cc: devicetree@vger.kernel.org Signed-off-by: Dong Aisheng Reviewed-by: Quentin Perret --- drivers/of/of_reserved_mem.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 367f298a83b2..ebba88395bf8 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -42,7 +42,7 @@ static int __init early_init_dt_alloc_reserved_memory_arch(phys_addr_t size, *res_base = base; if (nomap) - return memblock_remove(base, size); + return memblock_mark_nomap(base, size); return memblock_reserve(base, size); } @@ -276,7 +276,7 @@ void __init fdt_init_reserved_mem(void) pr_info("node %s compatible matching fail\n", rmem->name); if (nomap) - memblock_add(rmem->base, rmem->size); + memblock_clear_nomap(rmem->base, rmem->size); else memblock_free(rmem->base, rmem->size); }