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Tue, 18 Jun 2024 14:42:56 +0000 (UTC) Received: from ilclasset02 (ilclasset02.mot.com [100.64.49.13]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: mbland) by ilclmmrp02.lenovo.com (Postfix) with ESMTPSA id 4W3Txr5H2Bz3p6jp; Tue, 18 Jun 2024 14:42:56 +0000 (UTC) Date: Tue, 18 Jun 2024 09:42:55 -0500 From: Maxwell Bland To: linux-mm@kvack.org Cc: Catalin Marinas , Will Deacon , Jonathan Corbet , Andrew Morton , Ard Biesheuvel , Mark Rutland , Christophe Leroy , Maxwell Bland , Alexandre Ghiti , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 4/5] arm64: exclusive upper bound for ptdump entries Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Proofpoint-ORIG-GUID: lUW5eH0wfVUKzgqnNwLox3eS303p6jMG X-Proofpoint-GUID: lUW5eH0wfVUKzgqnNwLox3eS303p6jMG X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-18_02,2024-06-17_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 clxscore=1015 mlxscore=0 malwarescore=0 spamscore=0 mlxlogscore=941 bulkscore=0 adultscore=0 phishscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406180110 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240618_074310_704944_B6CF3FC6 X-CRM114-Status: GOOD ( 16.79 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Update the upper bound of all ptdump entries to not include the byte which is actually governed by the next entry. As the lowest byte is included and governed, this makes the size specifications exact. Signed-off-by: Maxwell Bland --- arch/arm64/mm/ptdump.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c index 2ec16b523043..63f17c08c406 100644 --- a/arch/arm64/mm/ptdump.c +++ b/arch/arm64/mm/ptdump.c @@ -359,11 +359,11 @@ static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level, else delta = pg_level[st->level].size; pt_dump_seq_printf(st->seq, "0x%016lx-0x%016lx ", - addr, addr + delta); + addr, addr + delta - 1); } else { delta = (addr - st->start_address); pt_dump_seq_printf(st->seq, "0x%016lx-0x%016lx ", - st->start_address, addr); + st->start_address, addr - 1); } /* Align region information regardlesss of level */