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Marcelo Tosatti 05da45583d KVM: MMU: large page support
Create large pages mappings if the guest PTE's are marked as such and
the underlying memory is hugetlbfs backed.  If the largepage contains
write-protected pages, a large pte is not used.

Gives a consistent 2% improvement for data copies on ram mounted
filesystem, without NPT/EPT.

Anthony measures a 4% improvement on 4-way kernbench, with NPT.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-04-27 11:53:25 +03:00
..
alpha alpha: unbreak OSF/1 (a.out) binaries 2008-04-24 08:35:47 -07:00
arm Merge branch 'irq-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/misc-2.6 2008-04-24 08:42:21 -07:00
avr32 avr32: Add hardware power-down function call 2008-04-19 20:40:11 -04:00
blackfin [Blackfin] arch: add include/boot .gitignore files 2008-04-25 08:29:11 +08:00
cris Generic semaphore implementation 2008-04-17 10:42:34 -04:00
frv frv: unexport kmap_atomic_to_page 2008-04-21 16:03:13 -07:00
h8300 Generic semaphore implementation 2008-04-17 10:42:34 -04:00
ia64 [IA64] move XP and XPC to drivers/misc/sgi-xp 2008-04-22 15:08:17 -07:00
m32r Generic semaphore implementation 2008-04-17 10:42:34 -04:00
m68k arch: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:14:49 -04:00
m68knommu Generic semaphore implementation 2008-04-17 10:42:34 -04:00
mips arch: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:14:49 -04:00
mn10300 PCI: remove initial bios sort of PCI devices on x86 2008-04-20 21:46:58 -07:00
parisc Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6 2008-04-21 15:58:35 -07:00
powerpc [POWERPC] Add zImage.iseries to arch/powerpc/boot/.gitignore 2008-04-25 09:48:13 +10:00
ppc [POWERPC] Add strncmp to arch/ppc 2008-04-24 20:57:34 +10:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2008-04-21 15:57:09 -07:00
sh Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6 2008-04-21 15:58:35 -07:00
sparc sparc: cleanup after SunOS binary emulation removal 2008-04-23 23:32:18 -07:00
sparc64 [SPARC64]: Wrap SMP IPIs with irq_enter()/irq_exit(). 2008-04-25 03:11:37 -07:00
um x86, bitops: select the generic bitmap search functions 2008-04-26 19:21:17 +02:00
v850 arch: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:14:49 -04:00
x86 KVM: MMU: large page support 2008-04-27 11:53:25 +03:00
xtensa Generic semaphore implementation 2008-04-17 10:42:34 -04:00
.gitignore arch: Ignore arch/i386 and arch/x86_64 2008-01-19 21:29:39 -08:00
Kconfig Kprobes: indicate kretprobe support in Kconfig 2008-03-04 16:35:11 -08:00