Re: [PATCH v4 08/10] arm64: kdump: exclude non-dumpable reserved memory regions from vmcore
Pratyush Yadav <[email protected]>
| Newsgroups | org.infradead.lists.kexec,dev.linux.lists.iommu,dev.linux.lists.loongarch,org.infradead.lists.linux-arm-kernel,org.infradead.lists.linux-riscv,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
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| Message-ID | <[email protected]> |
On Tue, Jun 30 2026, Wandun Chen wrote: > From: Wandun Chen <[email protected]> > > Reserved memory regions are excluded from vmcore by default unless > marked dumpable. Honor the dumpable flag to filter out device firmware > regions (e.g., GPU, DSP, modem) reserved via device tree, since they > typically contain data not useful for kernel crash analysis and can > significantly increase vmcore size. > > Use of_reserved_mem_kdump_exclude() to perform the exclusion, and > pre-size the crash_mem array via of_reserved_mem_kdump_nr_ranges(). > > Signed-off-by: Wandun Chen <[email protected]> > Tested-by: Meijing Zhao <[email protected]> > Acked-by: Will Deacon <[email protected]> Acked-by: Pratyush Yadav <[email protected]> [...] -- Regards, Pratyush Yadav