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authorBernhard Walle <bwalle@suse.de>2008-06-26 21:54:08 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-08 13:16:18 +0200
commit32105f7fd8faa7bc3d101dcc3eabc0ae1ac375a7 (patch)
treeff6bcff32e3641b2c4c2c98c242dc4803eddf3f9 /Documentation/kdump
parentfd6493e16625b92a506fba13deda31c0be5f1cd4 (diff)
x86: find offset for crashkernel reservation automatically
This patch removes the need of the crashkernel=...@offset parameter to define a fixed offset for crashkernel reservation. That feature can be used together with a relocatable kernel where the kexec-tools relocate the kernel and get the actual offset from /proc/iomem. The use case is a kernel where the .text+.data+.bss is after 16M physical memory (debug kernel with lockdep on x86_64 can cause that) which caused a major pain in autoconfiguration in our distribution. Also, that patch unifies crashdump architectures a bit since IA64 has that semantics from the very beginning of the kdump port. Signed-off-by: Bernhard Walle <bwalle@suse.de> Cc: vgoyal@redhat.com Cc: Bernhard Walle <bwalle@suse.de> Cc: kexec@lists.infradead.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/kdump')
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