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Claudio Imbrenda 74cbffba61 mm/ksm.c: fix inconsistent accounting of zero pages 
commit a38c015f31 upstream.

When using KSM with use_zero_pages, we replace anonymous pages
containing only zeroes with actual zero pages, which are not anonymous.
We need to do proper accounting of the mm counters, otherwise we will
get wrong values in /proc and a BUG message in dmesg when tearing down
the mm.

Link: http://lkml.kernel.org/r/1522931274-15552-1-git-send-email-imbrenda@linux.vnet.ibm.com
Fixes: e86c59b1b1 ("mm/ksm: improve deduplication of zero pages with colouring")
Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2018-04-24 09:42:48 +02:00
arch s390/compat: fix setup_frame32 2018-04-19 08:54:11 +02:00
block blk-mq: don't keep offline CPUs mapped to hctx 0 2018-04-19 08:54:09 +02:00
certs certs/blacklist_nohashes.c: fix const confusion in certs blacklist 2018-02-21 15:35:43 -08:00
crypto crypto: ahash - Fix early termination in hash walk 2018-04-08 14:29:50 +02:00
Documentation serial: 8250: Add Nuvoton NPCM UART 2018-04-08 14:29:49 +02:00
drivers ubi: Reject MLC NAND 2018-04-24 09:42:48 +02:00
firmware kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
fs ubifs: Check ubifs_wbuf_sync() return code 2018-04-24 09:42:48 +02:00
include Bluetooth: Fix connection if directed advertising and privacy is used 2018-04-19 08:54:12 +02:00
init jump_label: Disable jump labels in __exit code 2018-03-20 08:57:17 +01:00
ipc ipc/shm.c: add split function to shm_vm_ops 2018-03-28 13:42:05 -10:00
kernel perf/core: Fix use-after-free in uprobe_perf_close() 2018-04-19 08:54:07 +02:00
lib lib: fix stall in __bitmap_parselist() 2018-04-19 08:54:08 +02:00
LICENSES LICENSES: Add MPL-1.1 license 2018-01-06 10:59:44 -07:00
mm mm/ksm.c: fix inconsistent accounting of zero pages 2018-04-24 09:42:48 +02:00
net Bluetooth: Fix connection if directed advertising and privacy is used 2018-04-19 08:54:12 +02:00
samples - do not build samples when cross compiling (Michal Hocko) 2018-02-27 10:39:29 -08:00
scripts kbuild: rpm-pkg: Support GNU tar >= 1.29 2018-03-28 01:42:17 +09:00
security apparmor: fix resource audit messages when auditing peer 2018-04-19 08:54:10 +02:00
sound ALSA: pcm: potential uninitialized return values 2018-03-27 15:20:19 +02:00
tools perf intel-pt: Fix timestamp following overflow 2018-04-19 08:54:07 +02:00
usr initramfs: fix initramfs rebuilds w/ compression after disabling 2017-11-03 07:39:19 -07:00
virt kvm/arm fixes for 4.16, take 2 2018-03-15 21:45:37 +01:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore .gitignore: ignore ASN.1 auto generated files 2018-02-14 21:05:38 +01:00
.mailmap mailmap: Update email address for Gregory CLEMENT 2018-03-09 17:48:50 +01:00
COPYING [PATCH] update FSF address in COPYING 2005-09-10 10:06:29 -07:00
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS Merge branch 'akpm' (patches from Andrew) 2018-03-28 14:34:55 -10:00
Makefile Linux 4.16.3 2018-04-19 08:54:12 +02:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.