Adds a new single-purpose PIDs subsystem to limit the number of
tasks that can be forked inside a cgroup. Essentially this is an
implementation of RLIMIT_NPROC that applies to a cgroup rather than a
process tree.

However, it should be noted that organisational operations (adding and
removing tasks from a PIDs hierarchy) will *not* be prevented. Rather,
the number of tasks in the hierarchy cannot exceed the limit through
forking. This is due to the fact that, in the unified hierarchy, attach
cannot fail (and it is not possible for a task to overcome its PIDs
cgroup policy limit by attaching to a child cgroup -- even if migrating
mid-fork it must be able to fork in the parent first).

PIDs are fundamentally a global resource, and it is possible to reach
PID exhaustion inside a cgroup without hitting any reasonable kmemcg
policy. Once you've hit PID exhaustion, you're only in a marginally
better state than OOM. This subsystem allows PID exhaustion inside a
cgroup to be prevented.
Signed-off-by: NAleksa Sarai <cyphar@cyphar.com>
Signed-off-by: NTejun Heo <tj@kernel.org>

Jens' email address bounces, so move his name and entry to CREDITS.
Signed-off-by: NJoe Perches <joe@perches.com>
Cc: Ishizaki Kou <kou.ishizaki@toshiba.co.jp>
Cc: Jens Osterkamp <jens@linux.vnet.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NYoshinori Sato <ysato@users.sourceforge.jp>

As some help is needed from an active maintainer, replace Andrew Victor
by Alexandre Belloni in the ARM/Atmel MAINTAINERS' entry (aka AT91).
Add an entry to the CREDITS file.

Thanks Andrew for the great role you played during the early days of this
product family.
Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: NAndrew Victor <linux@maxim.org.za>
Acked-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: NArnd Bergmann <arnd@arndb.de>

Email to Mohit Kumar <mohit.kumar@st.com> has been bouncing, so remove the
address from MAINTAINERS and add an entry in CREDITS.
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>

This email address isn't working anymore
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Add personal details to CREDITS file.
Signed-off-by: NRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

As Chris Ball has moved on to other assignments, he's no longer able to
help me maintain MMC. Let's remove him from the MMC sections in
MAINTAINERS and add him to CREDIT file.

This also affects the SDHCI DRIVER section, since its state now becomes
orphan.

Cc: Chris Ball <chris@printf.net>
Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>
Acked-by: NChris Ball <chris@printf.net>

I'm leaving Red Hat at the end of December 2014, so remove all
references to my soon-to-be-dead address.

(There are some references left in the tree, that need additional
changes, I'll send those through the AGP maintainers).
Signed-off-by: NDave Jones <davej@codemonkey.org.uk>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

- Invalid maintainer e-mail address:
  Mail server reply:
  Recipient address rejected: User unknown in virtual alias table
- Remove no longer working webpage URL
- Remove obsolete "Person" field
- Move status to "Orphan"
- Add Dave Jeffery and Jack Hammer to the CREDITS file
Signed-off-by: NMichael Opdenacker <michael.opdenacker@free-electrons.com>
Reviewed-by: NJean Delvare <jdelvare@suse.de>
Cc: David Jeffery <dhjeffery@gmail.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Paul Bolle <pebolle@tiscali.nl>
Reviewed-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

My IBM email addresses haven't worked for years; also map some
old-but-functional forwarding addresses to my canonical address.

Update my GPG key fingerprint; I moved to 4096R a long time ago.

Update description.
Signed-off-by: NJosh Triplett <josh@joshtriplett.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

v6: Update entries to reflect new name & location of driver
Signed-off-by: NOded Gabbay <oded.gabbay@amd.com>

As discussed in various threads on the side:

Remove one inactive maintainer, add two new ones and update my email
address.  Plus add Andrew.  And fix the glob to include files like
mm/slab_common.c
Signed-off-by: NChristoph Lameter <cl@linux.com>
Acked-by: NDavid Rientjes <rientjes@google.com>
Acked-by: NJoonsoo Kim <iamjoonsoo.kim@lge.com>
Acked-by: NPekka Enberg <penberg@kernel.org>
Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Seems he's gone off to bigger/better things.  So long, etc...
Signed-off-by: NJoe Perches <joe@perches.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Paul Mundt's email address bounces regularly, and he hasn't taken any
SuperH patches for about one year.
Signed-off-by: NGeert Uytterhoeven <geert+renesas@linux-m68k.org>
Suggested-by: NPaul Bolle <pebolle@tiscali.nl>
Cc: Paul Mundt <paul.mundt@gmail.com>
Cc: Magnus Damm <magnus.damm@gmail.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Simon Horman <horms@verge.net.au>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NGeert Uytterhoeven <geert+renesas@linux-m68k.org>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

There are several left overs with my old email address.
Remove their occurrences and add myself at CREDITS, to
allow people to be able to reach me on my new addresses.
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

Signed-off-by: NJean Delvare <khali@linux-fr.org>

This adds me as maintainer for the HSI subsystem and
Carlos Chinea (original author) to the CREDITS file.
Signed-off-by: NSebastian Reichel <sre@debian.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Zwane Mwaikambo's @arm.linux.org.uk address no longer works.  In February
2013 he asked for his gmail address to be used instead [1] so let's just
do that.

[1] http://marc.info/?l=linux-kernel&m=136079068903214&w=2Signed-off-by: NJean Delvare <jdelvare@suse.de>
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Zwane Mwaikambo <zwanem@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Remove Richard Purdie as backlight subsystem maintainer,

akpm: Richard is still responsive and is reviewing some of the patches,
but appears to agree that listing him as the maintainer is no longer
appropriate.

[akpm@linux-foundation.org: s/USA/UK/]
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Acked-by: NRichard Purdie <rpurdie@rpsys.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NGeert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: NGuenter Roeck <linux@roeck-us.net>

My old @it.uu.se email address is going away, so update relevant
files to point to my @gmail.com address instead.  In sata_promise.c
just delete the address, people can get it from MAINTAINERS.
Signed-off-by: NMikael Pettersson <mikpe@it.uu.se>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Jeremy has been a key person in making Linux work with Xen.
He has been enjoying the last year working on something
different so reflect that in the maintainers file.

CC: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Acked-by: NJeremy Fitzhardinge <jeremy@goop.org>

Small clean-up for my CREDITS entry.
Signed-off-by: NChris Cheney <chris.cheney@gmail.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

Massimo Dal Zotto stopped maintaining the i8k driver several years ago,
so move his name from MAINTAINERS to CREDITS.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Cc: Massimo Dal Zotto <dz@debian.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Mark M. Hoffman stopped working on the Linux kernel several years
ago, so he should no longer be listed as a driver maintainer. I'm not
even sure if his e-mail address still works.

I can take over 3 drivers he was responsible for, the 4th one will
fall down to the subsystem maintainer.

Also give Mark credit for all the good work he did.
Signed-off-by: NJean Delvare <khali@linux-fr.org>
Cc: "Mark M. Hoffman" <mhoffman@lightlink.com>
Acked-by: NGuenter Roeck <linux@roeck-us.net>
Cc: Wolfram Sang <wolfram@the-dreams.de>

Update email address and CREDITS info.  xenotime.net is defunct.
Signed-off-by: NRandy Dunlap <rdunlap@infradead.org>
Cc: Harry Wei <harryxiyou@gmail.com>
Cc: Keiichi KII <k-keiichi@bx.jp.nec.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Signed-off-by: NHarald Hoyer <harald@redhat.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

After six and a half years of writing and maintaining KVM, it is time to
move to new things.  Update my MAINTAINERS entry to reflect that.
Signed-off-by: NAvi Kivity <avi@redhat.com>

This patch updates Jonathan Woithe's contact details across the kernel tree.
Signed-off-by: NJonathan Woithe <jwoithe@just42.net>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>

Small clean-up for my CREDITS entry; the GPG fingerprint was not up to
date, so I fixed other details at the same time too.
Signed-off-by: NKees Cook <kees@outflux.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Neil hasn't really been at all active as a maintainer for some years now.
So move his maintainership to CREDITS
Signed-off-by: NNeilBrown <neilb@suse.de>
Signed-off-by: NJ. Bruce Fields <bfields@redhat.com>

Signed-off-by: NDominik Brodowski <linux@dominikbrodowski.net>

David Brownell's CREDITS entry should have N: (name) instead of
M: (email).
Signed-off-by: NHenrik Ahlgren <pablo@seestieto.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

We had to say goodbye when David passed away recently.  David had a
huge impact on our community, both personally in the lives of the
people he worked with, and technically in the design and maintenance
of several subsystems.  He is greatly missed.

He also leaves behind a number of much loved subsystems now orphaned.
This patch updates the MAINTAINERS file for the areas that David was
responsible for and adds an entry for him to the CREDITS file.
Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
Acked-by: NHarry Wei <harryxiyou@gmail.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Tobias's email bounces and he hasn't submitted or acked a patch in git
history.
Signed-off-by: NJoe Perches <joe@perches.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Roman Zippel hasn't been active for several years. Add myself as kconfig
maintainer, but change the mode to "Odd Fixes" to not set expectations
too high. Also, remove the patchwork link, since it is not used for
kbuild/kconfig.
Signed-off-by: NMichal Marek <mmarek@suse.cz>
Acked-by: NGeert Uytterhoeven <geert@linux-m68k.org>

Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: NLucas De Marchi <lucas.demarchi@profusion.mobi>

I've had a new key for almost two years and
revoked the old one, but forgot to update it
here.
Signed-off-by: NJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>