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Tue, 30 Jun 2026 00:47:39 -0700 (PDT) Received: from intel.company.local ([210.184.73.204]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ca382a2d3dsm7821045ad.55.2026.06.30.00.47.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Jun 2026 00:47:38 -0700 (PDT) From: Wandun Chen To: chenhuacai@kernel.org, kernel@xen0n.name, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, robh@kernel.org, saravanak@kernel.org, bhe@redhat.com, rppt@kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, kexec@lists.infradead.org, iommu@lists.linux.dev, zhaomeijing@lixiang.com Cc: catalin.marinas@arm.com, will@kernel.org, alex@ghiti.fr, akpm@linux-foundation.org, pasha.tatashin@soleen.com, pratyush@kernel.org, ruirui.yang@linux.dev, m.szyprowski@samsung.com, robin.murphy@arm.com Subject: [PATCH v4 01/10] kexec/crash: provide crash_exclude_mem_range() stub when CONFIG_CRASH_DUMP=n Date: Tue, 30 Jun 2026 15:47:05 +0800 Message-ID: <20260630074715.4126796-2-chenwandun1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260630074715.4126796-1-chenwandun1@gmail.com> References: <20260630074715.4126796-1-chenwandun1@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260630_004740_062261_78ED81AC X-CRM114-Status: UNSURE ( 9.87 ) X-CRM114-Notice: Please train this message. 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 From: Wandun Chen Prepare for an upcoming change that excludes non-dumpable reserved regions from the kdump vmcore and will call crash_exclude_mem_range() from generic, non-arch code. No functional change. Signed-off-by: Wandun Chen --- include/linux/crash_core.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h index c1dee3f971a9..0033d4777648 100644 --- a/include/linux/crash_core.h +++ b/include/linux/crash_core.h @@ -87,6 +87,12 @@ static inline int kexec_should_crash(struct task_struct *p) { return 0; } static inline int kexec_crash_loaded(void) { return 0; } static inline void crash_save_cpu(struct pt_regs *regs, int cpu) {}; static inline int kimage_crash_copy_vmcoreinfo(struct kimage *image) { return 0; }; +static inline int crash_exclude_mem_range(struct crash_mem *mem, + unsigned long long mstart, + unsigned long long mend) +{ + return 0; +} #endif /* CONFIG_CRASH_DUMP*/ #ifdef CONFIG_CRASH_DM_CRYPT -- 2.43.0