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Tue, 18 May 2021 10:15:57 +0000 From: Dong Aisheng To: linux-arm-kernel@lists.infradead.org Cc: dongas86@gmail.com, Dong Aisheng Subject: [PATCH 2/4] arm64: mm: fix the count comments in compute_indices Date: Tue, 18 May 2021 18:14:03 +0800 Message-Id: <20210518101405.1048860-3-aisheng.dong@nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210518101405.1048860-1-aisheng.dong@nxp.com> References: <20210518101405.1048860-1-aisheng.dong@nxp.com> X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: SG2PR06CA0217.apcprd06.prod.outlook.com (2603:1096:4:68::25) To AM6PR04MB4966.eurprd04.prod.outlook.com (2603:10a6:20b:2::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG2PR06CA0217.apcprd06.prod.outlook.com (2603:1096:4:68::25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4108.25 via Frontend Transport; Tue, 18 May 2021 10:15:55 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 07b75ccb-edf0-4363-24d4-08d919e5ed2c X-MS-TrafficTypeDiagnostic: AM5PR0401MB2450: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:486; 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'count' actually represents the extra entries required, no need minus 1. Signed-off-by: Dong Aisheng Acked-by: Catalin Marinas --- arch/arm64/kernel/head.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 96873dfa67fd..b70db34458ec 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -195,7 +195,7 @@ SYM_CODE_END(preserve_boot_args) and \iend, \iend, \istart // iend = (vend >> shift) & (ptrs - 1) mov \istart, \ptrs mul \istart, \istart, \count - add \iend, \iend, \istart // iend += (count - 1) * ptrs + add \iend, \iend, \istart // iend += count * ptrs // our entries span multiple tables lsr \istart, \vstart, \shift