/sys/kernel/vmcoreinfo was introduced long back but there is no ABI documentation. This patch adds the documentation. Signed-off-by: Vivek Goyal <vgoyal at redhat.com> --- Documentation/ABI/testing/sysfs-kernel-vmcoreinfo | 14 ++++++++++++++ 1 file changed, 14 insertions(+) Index: linux-2.6/Documentation/ABI/testing/sysfs-kernel-vmcoreinfo =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ linux-2.6/Documentation/ABI/testing/sysfs-kernel-vmcoreinfo 2014-01-15 11:30:22.402206445 -0500 @@ -0,0 +1,14 @@ +What: /sys/kernel/vmcoreinfo +Date: October 2007 +KernelVersion: 2.6.24 +Contact: Ken'ichi Ohmichi <oomichi at mxs.nes.nec.co.jp> + Kexec Mailing List <kexec at lists.infradead.org> + Vivek Goyal <vgoyal at 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.