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([144.202.108.46]) by smtp.gmail.com with ESMTPSA id 19-20020a17090a005300b0028be216595csm25836878pjb.4.2024.01.02.06.50.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Jan 2024 06:50:19 -0800 (PST) From: Yuntao Wang To: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, x86@kernel.org Cc: Andrew Morton , Baoquan He , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Vivek Goyal , Dave Young , Hari Bathini , Sourabh Jain , Takashi Iwai , Yuntao Wang Subject: [PATCH v2 2/3] x86/crash: use SZ_1M macro instead of hardcoded value Date: Tue, 2 Jan 2024 22:49:04 +0800 Message-ID: <20240102144905.110047-3-ytcoode@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240102144905.110047-1-ytcoode@gmail.com> References: <20240102144905.110047-1-ytcoode@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240102_065021_195932_FA84700F X-CRM114-Status: GOOD ( 13.96 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org Use SZ_1M macro instead of hardcoded 1<<20 to make code more readable. Signed-off-by: Yuntao Wang Acked-by: Baoquan He --- arch/x86/kernel/crash.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c index 792231a56d11..249b5876e7ec 100644 --- a/arch/x86/kernel/crash.c +++ b/arch/x86/kernel/crash.c @@ -170,7 +170,7 @@ static int elf_header_exclude_ranges(struct crash_mem *cmem) int ret = 0; /* Exclude the low 1M because it is always reserved */ - ret = crash_exclude_mem_range(cmem, 0, (1<<20)-1); + ret = crash_exclude_mem_range(cmem, 0, SZ_1M - 1); if (ret) return ret; -- 2.43.0 _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec