xref: /linux/Documentation/ABI/testing/sysfs-kernel-vmcoreinfo (revision bdd490ade365b1173485b829e5457af8e16c7f01)
1*bdd490adSVivek GoyalWhat:		/sys/kernel/vmcoreinfo
2*bdd490adSVivek GoyalDate:		October 2007
3*bdd490adSVivek GoyalKernelVersion:	2.6.24
4*bdd490adSVivek GoyalContact:	Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
5*bdd490adSVivek Goyal		Kexec Mailing List <kexec@lists.infradead.org>
6*bdd490adSVivek Goyal		Vivek Goyal <vgoyal@redhat.com>
7*bdd490adSVivek GoyalDescription
8*bdd490adSVivek Goyal		Shows physical address and size of vmcoreinfo ELF note.
9*bdd490adSVivek Goyal		First value contains physical address of note in hex and
10*bdd490adSVivek Goyal		second value contains the size of note in hex. This ELF
11*bdd490adSVivek Goyal		note info is parsed by second kernel and exported to user
12*bdd490adSVivek Goyal		space as part of ELF note in /proc/vmcore file. This note
13*bdd490adSVivek Goyal		contains various information like struct size, symbol
14*bdd490adSVivek Goyal		values, page size etc.
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