The patch titled
Subject: proc: document CoreDumping flag in /proc/<pid>/status
has been added to the -mm tree. Its filename is
proc-coredump-add-coredumping-flag-to-proc-pid-status-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/proc-coredump-add-coredumping-flag-to-proc-pid-status-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/proc-coredump-add-coredumping-flag-to-proc-pid-status-fix.patch
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------------------------------------------------------
From: Roman Gushchin <guro@xxxxxx>
Subject: proc: document CoreDumping flag in /proc/<pid>/status
Add description for the CoreDumping flag in /proc/<pid>/status.
The flag is intended to be used to avoid killing processes
during the generation of the coredump files and avoid getting
corrupted coredump files.
Link: http://lkml.kernel.org/r/20170928135357.GA8470@xxxxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Roman Gushchin <guro@xxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Konstantin Khlebnikov <koct9i@xxxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/filesystems/proc.txt | 3 +++
1 file changed, 3 insertions(+)
diff -puN Documentation/filesystems/proc.txt~proc-coredump-add-coredumping-flag-to-proc-pid-status-fix Documentation/filesystems/proc.txt
--- a/Documentation/filesystems/proc.txt~proc-coredump-add-coredumping-flag-to-proc-pid-status-fix
+++ a/Documentation/filesystems/proc.txt
@@ -181,6 +181,7 @@ read the file /proc/PID/status:
VmPTE: 20 kb
VmSwap: 0 kB
HugetlbPages: 0 kB
+ CoreDumping: 0
Threads: 1
SigQ: 0/28578
SigPnd: 0000000000000000
@@ -254,6 +255,8 @@ Table 1-2: Contents of the status files
VmSwap amount of swap used by anonymous private data
(shmem swap usage is not included)
HugetlbPages size of hugetlb memory portions
+ CoreDumping process's memory is currently being dumped
+ (killing the process may lead to a corrupted core)
Threads number of threads
SigQ number of signals queued/max. number for queue
SigPnd bitmap of pending signals for the thread
_
Patches currently in -mm which might be from guro@xxxxxx are
proc-coredump-add-coredumping-flag-to-proc-pid-status.patch
proc-coredump-add-coredumping-flag-to-proc-pid-status-fix.patch
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