proc/kcore: add vmcoreinfo note to /proc/kcore
authorOmar Sandoval <osandov@fb.com>
Wed, 22 Aug 2018 04:55:20 +0000 (21:55 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 22 Aug 2018 17:52:46 +0000 (10:52 -0700)
commit23c85094fe1895caefdd19ef624ee687ec5f4507
tree13a0d0b93980e585384310a021b3772dc37b9e54
parenteff4345e7fba0aac8665f00e8599b36946d9aaec
proc/kcore: add vmcoreinfo note to /proc/kcore

The vmcoreinfo information is useful for runtime debugging tools, not just
for crash dumps.  A lot of this information can be determined by other
means, but this is much more convenient, and it only adds a page at most
to the file.

Link: http://lkml.kernel.org/r/fddbcd08eed76344863303878b12de1c1e2a04b6.1531953780.git.osandov@fb.com
Signed-off-by: Omar Sandoval <osandov@fb.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Bhupesh Sharma <bhsharma@redhat.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: James Morse <james.morse@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/proc/Kconfig
fs/proc/kcore.c
include/linux/crash_core.h
kernel/crash_core.c