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| author | AKASHI Takahiro <takahiro.akashi@linaro.org> | 2017-04-03 02:24:32 (GMT) |
|---|---|---|
| committer | AKASHI Takahiro <takahiro.akashi@linaro.org> | 2017-06-08 09:42:11 (GMT) |
| commit | 98ffd933c1e5f0a55ebd1ae9c1c5741492050be4 (patch) | |
| tree | e4d2fde889987e259cb5e4685dae75a23d7196bb /arch/arm64/include | |
| parent | 73e7edeb3263c5e5a918927d864da0d2a3459b30 (diff) | |
| download | linux-98ffd933c1e5f0a55ebd1ae9c1c5741492050be4.tar.xz | |
arm64: kdump: reserve memory for crash dump kernel
"crashkernel=" kernel parameter specifies the size (and optionally
the start address) of the system ram to be used by crash dump kernel.
reserve_crashkernel() will allocate and reserve that memory at boot time
of primary kernel.
The memory range will be exposed to userspace as a resource named
"Crash kernel" in /proc/iomem.
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Pratyush Anand <panand@redhat.com>
Reviewed-by: James Morse <james.morse@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include')
0 files changed, 0 insertions, 0 deletions