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Andy Whitcroft 540557b943 sparsemem: record when a section has a valid mem_map ... We have flags to indicate whether a section actually has a valid mem_map associated with it. This is never set and we rely solely on the present bit to indicate a section is valid. By definition a section is not valid if it has no mem_map and there is a window during init where the present bit is set but there is no mem_map, during which pfn_valid() will return true incorrectly. Use the existing SECTION_HAS_MEM_MAP flag to indicate the presence of a valid mem_map. Switch valid_section{,_nr} and pfn_valid() to this bit. Add a new present_section{,_nr} and pfn_present() interfaces for those users who care to know that a section is going to be valid. [akpm@linux-foundation.org: coding-syle fixes] Signed-off-by: Andy Whitcroft <apw@shadowen.org> Acked-by: Mel Gorman <mel@csn.ul.ie> Cc: Christoph Lameter <clameter@sgi.com> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Andi Kleen <ak@suse.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Paul Mackerras <paulus@samba.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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acorn/char	…
acpi	…
amba	…
ata	docbook: fix libata content	18 years ago
atm	more trivial signedness fixes in drivers	18 years ago
auxdisplay	…
base	sparsemem: record when a section has a valid mem_map	18 years ago
block	…
bluetooth	[Bluetooth] Add missing stat.byte_rx counter modification	18 years ago
cdrom	[POWERPC] iSeries: Move detection of virtual cdroms	18 years ago
char	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	18 years ago
clocksource	…
connector	[NET]: make netlink user -> kernel interface synchronious	18 years ago
cpufreq	Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6	18 years ago
crypto	[CRYPTO] sha: Add header file for SHA definitions	18 years ago
dio	…
dma	…
edac	Drivers: clean up direct setting of the name of a kset	18 years ago
eisa	signedness: module_param_array nump argument	18 years ago
fc4	…
firewire	fw-cdev __user annotations	18 years ago
firmware	…
hid	HID: fix HIDIOCGRDESC memory access in hidraw	18 years ago
hwmon	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input	18 years ago
i2c	Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm	18 years ago
ide	…
ieee1394	Driver core: change add_uevent_var to use a struct	18 years ago
infiniband	IB/ipoib: Verify address handle validity on send	18 years ago
input	Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm	18 years ago
isdn	…
kvm	…
leds	[ARM] 4576/1: CM-X270 machine support	18 years ago
lguest	fix modules oopsing in lguest guests	18 years ago
macintosh	…
mca	…
md	…
media	signedness: module_param_array nump argument	18 years ago
message	docbook: fix kernel-api content	18 years ago
mfd	some kmalloc/memset ->kzalloc (tree wide)	18 years ago
misc	Map volume and brightness events on thinkpads	18 years ago
mmc	Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm	18 years ago
mtd	Reinstate lost flush_ioremap_region() fix to pxa2xx-flash driver	18 years ago
net	Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm	18 years ago
nubus	some kmalloc/memset ->kzalloc (tree wide)	18 years ago
of	…
oprofile	…
parisc	…
parport	…
pci	…
pcmcia	…
pnp	drivers/firmware: const-ify DMI API and internals	18 years ago
power	Driver core: change add_uevent_var to use a struct	18 years ago
ps3	…
rapidio	some kmalloc/memset ->kzalloc (tree wide)	18 years ago
rtc	rtc: rtc-sh: Support 4-digit year on SH7705/SH7710/SH7712.	18 years ago
s390	Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6	18 years ago
sbus	…
scsi	scsi/gdth: fix crash in gdth_timeout if no gdth controllers found	18 years ago
serial	…
sh	…
sn	…
spi	…
ssb	missing include in ssb	18 years ago
tc	zs: move to the serial subsystem	18 years ago
telephony	some kmalloc/memset ->kzalloc (tree wide)	18 years ago
uio	UIO: Hilscher CIF card driver	18 years ago
usb	docbook: fix usb content	18 years ago
video	Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm	18 years ago
w1	Driver core: change add_uevent_var to use a struct	18 years ago
xen	…
zorro	zorro: Make sysfs config attribute read-only	18 years ago
Kconfig	…
Makefile	…