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Merge branch 'akpm' (patches from Andrew)

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Merge third patchbomb from Andrew Morton:

 - various misc things

 - a couple of lib/ optimisations

 - provide DIV_ROUND_CLOSEST_ULL()

 - checkpatch updates

 - rtc tree

 - befs, nilfs2, hfs, hfsplus, fatfs, adfs, affs, bfs

 - ptrace fixes

 - fork() fixes

 - seccomp cleanups

 - more mmap_sem hold time reductions from Davidlohr

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (138 commits)
  proc: show locks in /proc/pid/fdinfo/X
  docs: add missing and new /proc/PID/status file entries, fix typos
  drivers/rtc/rtc-at91rm9200.c: make IO endian agnostic
  Documentation/spi/spidev_test.c: fix warning
  drivers/rtc/rtc-s5m.c: allow usage on device type different than main MFD type
  .gitignore: ignore *.tar
  MAINTAINERS: add Mediatek SoC mailing list
  tomoyo: reduce mmap_sem hold for mm->exe_file
  powerpc/oprofile: reduce mmap_sem hold for exe_file
  oprofile: reduce mmap_sem hold for mm->exe_file
  mips: ip32: add platform data hooks to use DS1685 driver
  lib/Kconfig: fix up HAVE_ARCH_BITREVERSE help text
  x86: switch to using asm-generic for seccomp.h
  sparc: switch to using asm-generic for seccomp.h
  powerpc: switch to using asm-generic for seccomp.h
  parisc: switch to using asm-generic for seccomp.h
  mips: switch to using asm-generic for seccomp.h
  microblaze: use asm-generic for seccomp.h
  arm: use asm-generic for seccomp.h
  seccomp: allow COMPAT sigreturn overrides
  ...
This commit is contained in:
Linus Torvalds 2015-04-17 09:04:38 -04:00
commit 54e514b91b
158 changed files with 2190 additions and 1551 deletions
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15
Documentation/filesystems/proc.txt
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@ -200,12 +200,12 @@ contains details information about the process itself. Its fields are
explained in Table 1-4.
(for SMP CONFIG users)
For making accounting scalable, RSS related information are handled in
asynchronous manner and the vaule may not be very precise. To see a precise
For making accounting scalable, RSS related information are handled in an
asynchronous manner and the value may not be very precise. To see a precise
snapshot of a moment, you can see /proc/<pid>/smaps file and scan page table.
It's slow but very precise.
Table 1-2: Contents of the status files (as of 2.6.30-rc7)
Table 1-2: Contents of the status files (as of 3.20.0)
..............................................................................
Field Content
Name filename of the executable
@ -213,6 +213,7 @@ Table 1-2: Contents of the status files (as of 2.6.30-rc7)
in an uninterruptible wait, Z is zombie,
T is traced or stopped)
Tgid thread group ID
Ngid NUMA group ID (0 if none)
Pid process id
PPid process id of the parent process
TracerPid PID of process tracing this process (0 if not)
@ -220,6 +221,10 @@ Table 1-2: Contents of the status files (as of 2.6.30-rc7)
Gid Real, effective, saved set, and file system GIDs
FDSize number of file descriptor slots currently allocated
Groups supplementary group list
NStgid descendant namespace thread group ID hierarchy
NSpid descendant namespace process ID hierarchy
NSpgid descendant namespace process group ID hierarchy
NSsid descendant namespace session ID hierarchy
VmPeak peak virtual memory size
VmSize total program size
VmLck locked memory size
@ -1704,6 +1709,10 @@ A typical output is
flags: 0100002
mnt_id: 19
All locks associated with a file descriptor are shown in its fdinfo too.
lock: 1: FLOCK ADVISORY WRITE 359 00:13:11691 0 EOF
The files such as eventfd, fsnotify, signalfd, epoll among the regular pos/flags
pair provide additional information particular to the objects they represent.