xref: /linux/Documentation/ABI/testing/sysfs-kernel-vmcoreinfo (revision ed66bcd0674a97cbacb01e7d140eea0f882d31a6)
1bdd490adSVivek GoyalWhat:		/sys/kernel/vmcoreinfo
2bdd490adSVivek GoyalDate:		October 2007
3bdd490adSVivek GoyalKernelVersion:	2.6.24
4bdd490adSVivek GoyalContact:	Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
5bdd490adSVivek Goyal		Kexec Mailing List <kexec@lists.infradead.org>
6bdd490adSVivek Goyal		Vivek Goyal <vgoyal@redhat.com>
7*ed66bcd0SMauro Carvalho ChehabDescription:
8bdd490adSVivek Goyal		Shows physical address and size of vmcoreinfo ELF note.
9bdd490adSVivek Goyal		First value contains physical address of note in hex and
10bdd490adSVivek Goyal		second value contains the size of note in hex. This ELF
11bdd490adSVivek Goyal		note info is parsed by second kernel and exported to user
12bdd490adSVivek Goyal		space as part of ELF note in /proc/vmcore file. This note
13bdd490adSVivek Goyal		contains various information like struct size, symbol
14bdd490adSVivek Goyal		values, page size etc.
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