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f3dbd34460
linux/drivers
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Christoph Lameter f3dbd34460 [PATCH] zoned vm counters: split NR_ANON_PAGES off from NR_FILE_MAPPED 
The current NR_FILE_MAPPED is used by zone reclaim and the dirty load
calculation as the number of mapped pagecache pages.  However, that is not
true.  NR_FILE_MAPPED includes the mapped anonymous pages.  This patch
separates those and therefore allows an accurate tracking of the anonymous
pages per zone.

It then becomes possible to determine the number of unmapped pages per zone
and we can avoid scanning for unmapped pages if there are none.

Also it may now be possible to determine the mapped/unmapped ratio in
get_dirty_limit.  Isnt the number of anonymous pages irrelevant in that
calculation?

Note that this will change the meaning of the number of mapped pages reported
in /proc/vmstat /proc/meminfo and in the per node statistics.  This may affect
user space tools that monitor these counters!  NR_FILE_MAPPED works like
NR_FILE_DIRTY.  It is only valid for pagecache pages.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-30 11:25:35 -07:00
..
acorn
acpi [PATCH] pgdat allocation for new node add (get node id by acpi) 2006-06-27 17:32:36 -07:00
amba [PATCH] 64bit resource: fix up printks for resources in misc drivers 2006-06-27 09:23:59 -07:00
atm [ATM]: [suni] change suni_init to __devinit 2006-06-29 16:58:17 -07:00
base [PATCH] zoned vm counters: split NR_ANON_PAGES off from NR_FILE_MAPPED 2006-06-30 11:25:35 -07:00
block Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
bluetooth [PATCH] Bluetooth: fix potential NULL ptr deref in dtl1_cs.c::dtl1_hci_send_frame() 2006-06-26 09:58:16 -07:00
cdrom [PATCH] devfs: Last little devfs cleanups throughout the kernel tree. 2006-06-26 12:25:09 -07:00
char [PATCH] fix ISTALLION=y 2006-06-30 11:25:34 -07:00
clocksource [PATCH] GTOD: add scx200 HRT clocksource 2006-06-26 09:58:21 -07:00
connector [PATCH] connector-exports 2006-06-23 07:43:06 -07:00
cpufreq [PATCH] cpu hotplug: make cpu_notifier related notifier blocks __cpuinit only 2006-06-27 17:32:41 -07:00
crypto [CRYPTO] padlock: Rearrange context structure to reduce code size 2006-06-26 17:34:39 +10:00
dio
dma [IOAT]: Do not dereference THIS_MODULE directly to set unsafe. 2006-06-26 00:10:46 -07:00
edac
eisa
fc4 [SPARC]: Kill __irq_itoa(). 2006-06-20 01:21:29 -07:00
firmware [PATCH] DMI: cleanup kernel-doc, add to DocBook 2006-06-25 10:01:24 -07:00
hwmon spelling fixes 2006-06-26 18:35:02 +02:00
i2c [PATCH] i2c-i801.c: don't pci_disable_device() after it was just enabled 2006-06-27 18:36:39 -07:00
ide Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
ieee1394 [PATCH] 64bit Resource: convert a few remaining drivers to use resource_size_t where needed 2006-06-27 09:24:00 -07:00
infiniband [PATCH] 64bit resource: fix up printks for resources in misc drivers 2006-06-27 09:23:59 -07:00
input [SERIO] i8042-sparcio.h: Convert to of_driver framework. 2006-06-29 16:38:01 -07:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
leds [PATCH] spin/rwlock init cleanups 2006-06-27 17:32:39 -07:00
macintosh Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
mca
md Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
media Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
message Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
mfd [ARM] fix drivers/mfd/ucb1x00-core.c IRQ probing bug 2006-06-26 15:26:13 +01:00
misc [PATCH] spin/rwlock init cleanups 2006-06-27 17:32:39 -07:00
mmc Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
mtd Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6 2006-06-29 10:49:17 -07:00
net Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2006-06-29 17:43:43 -07:00
nubus
oprofile [PATCH] oprofile: convert from semaphores to mutexes 2006-06-25 10:01:04 -07:00
parisc Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6 2006-06-29 11:30:45 -07:00
parport Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2006-06-26 13:33:14 -07:00
pci Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6 2006-06-29 10:49:17 -07:00
pcmcia Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6 2006-06-29 10:49:17 -07:00
pnp [PATCH] 64bit resource: change pnp core to use resource_size_t 2006-06-27 09:24:00 -07:00
rapidio [PATCH] spin/rwlock init cleanups 2006-06-27 17:32:39 -07:00
rtc [PATCH] RTC: add rtc-rs5c348 driver 2006-06-28 14:59:04 -07:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
sbus [PATCH] devfs: Remove the devfs_fs_kernel.h file from the tree 2006-06-26 12:25:08 -07:00
scsi Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6 2006-06-29 10:49:17 -07:00
serial [SERIAL] sunsab: Fix section mis-match errors. 2006-06-29 16:37:53 -07:00
sh
sn [PATCH] remove devinit from ioc4 pci_driver 2006-06-29 10:26:20 -07:00
spi [PATCH] SPI: infrastructure to initialize spi_device.mode early 2006-06-28 15:51:01 -07:00
tc [PATCH] devfs: Rename TTY_DRIVER_NO_DEVFS to TTY_DRIVER_DYNAMIC_DEV 2006-06-26 12:25:09 -07:00
telephony Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6 2006-06-29 14:19:21 -07:00
usb [PATCH] usb gadget: fixup pxa2xx_udc to include asm/arch/udc.h again 2006-06-29 14:27:22 -07:00
video [PATCH] fix drivers/video/imacfb.c compilation 2006-06-30 11:25:34 -07:00
w1 [PATCH] connector-exports 2006-06-23 07:43:06 -07:00
zorro
Kconfig [I/OAT]: DMA memcpy subsystem 2006-06-17 21:18:43 -07:00
Makefile [PATCH] Time: i386 Clocksource Drivers 2006-06-26 09:58:21 -07:00