kdump: add /sys/kernel/vmcoreinfo ABI documentation (bdd490ad) · Commits · 戴 / test

/sys/kernel/vmcoreinfo was introduced long back but there is no ABI documentation. This patch adds the documentation. Signed-off-by:

Vivek Goyal <vgoyal@redhat.com> Cc: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Cc: Dan Aloni <da-x@monatomic.org> Cc: Greg KH <greg@kroah.com> Signed-off-by:

Andrew Morton <akpm@linux-foundation.org> Signed-off-by:

Linus Torvalds <torvalds@linux-foundation.org>

Documentation/ABI/testing/sysfs-kernel-vmcoreinfo

0 → 100644

+14 −0

Original line number	Diff line number	Diff line
		What: /sys/kernel/vmcoreinfo
		Date: October 2007
		KernelVersion: 2.6.24
		Contact: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp>
		Kexec Mailing List <kexec@lists.infradead.org>
		Vivek Goyal <vgoyal@redhat.com>
		Description
		Shows physical address and size of vmcoreinfo ELF note.
		First value contains physical address of note in hex and
		second value contains the size of note in hex. This ELF
		note info is parsed by second kernel and exported to user
		space as part of ELF note in /proc/vmcore file. This note
		contains various information like struct size, symbol
		values, page size etc.

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