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linux/arch/mips
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Hugh Dickins d19f352484 ksm: define MADV_MERGEABLE and MADV_UNMERGEABLE 
The out-of-tree KSM used ioctls on fds cloned from /dev/ksm to register a
memory area for merging: we prefer now to use an madvise(2) interface.

This patch just defines MADV_MERGEABLE (to tell KSM it may merge pages in
this area found identical to pages in other mergeable areas) and
MADV_UNMERGEABLE (to undo that).

Most architectures use asm-generic, but alpha, mips, parisc, xtensa need
their own definitions: included here for mmotm convenience, but we'll
probably want to split this and feed pieces to arch maintainers.

Based upon earlier patches by Chris Wright and Izik Eidus.

Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Chris Wright <chrisw@redhat.com>
Signed-off-by: Izik Eidus <ieidus@redhat.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Helge Deller <deller@gmx.de>
Cc: Chris Zankel <chris@zankel.net>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-09-22 07:17:31 -07:00
..
alchemy MIPS: Alchemy: override loops_per_jiffy detection 2009-09-17 20:07:51 +02:00
ar7 MIPS: AR7: Make board code register ar7_wdt as a platform device 2009-09-17 20:07:48 +02:00
basler/excite platform driver: fix incorrect use of 'platform_bus_type' with 'struct device_driver' 2009-03-24 16:38:25 -07:00
bcm47xx MIPS: WGT634U: Add reset button support 2008-10-15 12:46:51 +01:00
bcm63xx MIPS: BCM63xx: Add integrated ethernet mac support. 2009-09-17 20:07:53 +02:00
boot MIPS: Remove useless zero initializations. 2009-09-17 20:07:51 +02:00
cavium-octeon MIPS: Octeon: Move some platform device registration to its own file. 2009-09-17 20:07:52 +02:00
cobalt Update Yoichi Yuasa's e-mail address 2009-07-03 15:45:29 +01:00
configs MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs. 2009-09-17 20:07:52 +02:00
dec Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-09-18 09:15:24 -07:00
emma MIPS: Remove useless zero initializations. 2009-09-17 20:07:51 +02:00
fw MIPS: Remove useless zero initializations. 2009-09-17 20:07:51 +02:00
gt64120/wrppmc Update Yoichi Yuasa's e-mail address 2009-07-03 15:45:29 +01:00
include/asm ksm: define MADV_MERGEABLE and MADV_UNMERGEABLE 2009-09-22 07:17:31 -07:00
jazz MIPS: Jazz: Fix read buffer overflow 2009-08-03 17:52:47 +01:00
kernel perf: Do the big rename: Performance Counters -> Performance Events 2009-09-21 14:28:04 +02:00
lasat timekeeping: Increase granularity of read_persistent_clock() 2009-08-15 10:55:46 +02:00
lib MIPS: Fix __ndelay build error and add 'ull' suffix for 32-bit kernel 2009-06-17 11:06:24 +01:00
loongson loongson: fix cut-and-paste mis-merge 2009-09-20 15:57:28 -07:00
math-emu MIPS: Switch FPU emulator trap to BREAK instruction. 2008-10-30 14:44:34 +00:00
mipssim MIPS: Remove useless zero initializations. 2009-09-17 20:07:51 +02:00
mm MIPS: BCM63xx: Add Broadcom 63xx CPU definitions. 2009-09-17 20:07:52 +02:00
mti-malta Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-09-18 09:15:24 -07:00
nxp MIPS: Remove useless zero initializations. 2009-09-17 20:07:51 +02:00
oprofile MIPS: Loongson: Add oprofile support 2009-09-17 20:07:47 +02:00
pci MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs. 2009-09-17 20:07:52 +02:00
pmc-sierra timekeeping: Increase granularity of read_persistent_clock() 2009-08-15 10:55:46 +02:00
power MIPS: Use PAGE_SIZE in assembly instead of _PAGE_SIZE. 2009-09-17 20:07:48 +02:00
rb532 MIPS: RB532: Check irq number when handling GPIO interrupts 2009-06-17 11:06:27 +01:00
sgi-ip22 MIPS: IP22, IP28: Build with -Werror 2009-09-17 20:07:44 +02:00
sgi-ip27 MIPS: Build fix - include <linux/smp.h> into all smp_processor_id() users. 2009-06-24 18:34:39 +01:00
sgi-ip32 MIPS: IP32: Remove unnecessary if not even harmful volatile keywords. 2009-05-22 13:52:06 +01:00
sibyte timekeeping: Increase granularity of read_persistent_clock() 2009-08-15 10:55:46 +02:00
sni timekeeping: Increase granularity of read_persistent_clock() 2009-08-15 10:55:46 +02:00
txx9 MIPS: TXx9: Fix error handling. 2009-09-17 20:07:43 +02:00
vr41xx Update Yoichi Yuasa's e-mail address 2009-07-03 15:45:29 +01:00
Kconfig MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs. 2009-09-17 20:07:52 +02:00
Kconfig.debug MIPS: Kconfig: Fix the arch-specific header path 2008-12-12 18:12:23 +00:00
Makefile MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs. 2009-09-17 20:07:52 +02:00