Add /sys/kernel/vmcoreinfo ABI documentation
Subsystems (2)
PATCH 1/1 Add /sys/kernel/vmcoreinfo ABI documentation
/sys/kernel/vmcoreinfo was introduced long back but there is no ABI documentation. This patch adds the documentation.
Signed-off-by Vivek Goyal <[email protected]>
--- Documentation/ABI/testing/sysfs-kernel-vmcoreinfo | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
Documentation/ABI/testing/sysfs-kernel-vmcoreinfo new file +14 -0
@@ -0,0 +1,14 @@ +What: /sys/kernel/vmcoreinfo +Date: October 2007 +KernelVersion: 2.6.24 +Contact: Ken'ichi Ohmichi <[email protected]> + Kexec Mailing List <[email protected]> + Vivek Goyal <[email protected]> +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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