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/openbmc/linux/arch/arm64/kernel/
H A Dcrash_core.c2369f171 Wed Feb 09 03:26:42 CST 2022 Huang Shijie <shijie@os.amperecomputing.com> arm64: crash_core: Export MODULES, VMALLOC, and VMEMMAP ranges

The following interrelated ranges are needed by the kdump crash tool:
MODULES_VADDR ~ MODULES_END,
VMALLOC_START ~ VMALLOC_END,
VMEMMAP_START ~ VMEMMAP_END

Since these values change from time to time, it is preferable to export
them via vmcoreinfo than to change the crash's code frequently.

Signed-off-by: Huang Shijie <shijie@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20220209092642.9181-1-shijie@os.amperecomputing.com
Signed-off-by: Will Deacon <will@kernel.org>
/openbmc/linux/Documentation/admin-guide/kdump/
H A Dvmcoreinfo.rst2369f171 Wed Feb 09 03:26:42 CST 2022 Huang Shijie <shijie@os.amperecomputing.com> arm64: crash_core: Export MODULES, VMALLOC, and VMEMMAP ranges

The following interrelated ranges are needed by the kdump crash tool:
MODULES_VADDR ~ MODULES_END,
VMALLOC_START ~ VMALLOC_END,
VMEMMAP_START ~ VMEMMAP_END

Since these values change from time to time, it is preferable to export
them via vmcoreinfo than to change the crash's code frequently.

Signed-off-by: Huang Shijie <shijie@os.amperecomputing.com>
Link: https://lore.kernel.org/r/20220209092642.9181-1-shijie@os.amperecomputing.com
Signed-off-by: Will Deacon <will@kernel.org>