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Tue, 26 May 2026 20:29:50 -0700 (PDT) From: Wandun Chen To: 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, chenhuacai@kernel.org, kernel@xen0n.name, pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu, alex@ghiti.fr, robh@kernel.org, saravanak@kernel.org, akpm@linux-foundation.org, bhe@redhat.com, rppt@kernel.org, pasha.tatashin@soleen.com, pratyush@kernel.org, ruirui.yang@linux.dev, m.szyprowski@samsung.com, robin.murphy@arm.com, quic_obabatun@quicinc.com Subject: [PATCH v3 02/11] kexec/crash: provide crash_exclude_mem_range() stub when CONFIG_CRASH_DUMP=n Date: Wed, 27 May 2026 11:29:08 +0800 Message-ID: <20260527032917.3385849-3-chenwandun1@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260527032917.3385849-1-chenwandun1@gmail.com> References: <20260527032917.3385849-1-chenwandun1@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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