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7f0536f80c
linux/arch
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Jeff Dike 7f0536f80c uml: speed up page table walking 
The previous page table walking code was horribly inefficient.  This patch
replaces it with code taken from elsewhere in the kernel.

Forking from bash is now ~5% faster and page faults are handled ~10% faster.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-07 12:13:03 -07:00
..
alpha srmcons: fix kmalloc(GFP_KERNEL) inside spinlock 2007-05-07 12:12:58 -07:00
arm get_unmapped_area handles MAP_FIXED on arm 2007-05-07 12:12:56 -07:00
arm26 ARM26: remove useless config option GENERIC_BUST_SPINLOCK. 2007-05-07 12:12:58 -07:00
avr32 AVR32: Remove useless config option "GENERIC_BUST_SPINLOCK". 2007-04-27 13:45:26 +02:00
blackfin blackfin architecture 2007-05-07 12:12:58 -07:00
cris CRIS: remove code related to pre-2.2 kernel 2007-05-07 12:13:00 -07:00
frv get_unmapped_area handles MAP_FIXED on frv 2007-05-07 12:12:56 -07:00
h8300 h8300: add zImage support 2007-05-07 12:12:58 -07:00
i386 get_unmapped_area handles MAP_FIXED on i386 2007-05-07 12:12:56 -07:00
ia64 get_unmapped_area handles MAP_FIXED on ia64 2007-05-07 12:12:56 -07:00
m32r [PATCH] x86: Allow percpu variables to be page-aligned 2007-05-02 19:27:12 +02:00
m68k SPIN_LOCK_UNLOCKED cleanup in arch/m68k 2007-05-07 12:12:59 -07:00
m68knommu PCI: Cleanup the includes of <linux/pci.h> 2007-05-02 19:02:35 -07:00
mips RM9000 serial driver 2007-05-07 12:12:50 -07:00
parisc get_unmapped_area handles MAP_FIXED on parisc 2007-05-07 12:12:56 -07:00
powerpc slab allocators: Remove SLAB_DEBUG_INITIAL flag 2007-05-07 12:12:57 -07:00
ppc Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6 2007-05-05 14:55:20 -07:00
s390 Introduce CONFIG_HAS_DMA 2007-05-07 12:12:51 -07:00
sh [PATCH] x86: Allow percpu variables to be page-aligned 2007-05-02 19:27:12 +02:00
sh64 Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6 2007-05-05 14:55:20 -07:00
sparc [PATCH] x86: Allow percpu variables to be page-aligned 2007-05-02 19:27:12 +02:00
sparc64 get_unmapped_area handles MAP_FIXED on sparc64 2007-05-07 12:12:56 -07:00
um uml: speed up page table walking 2007-05-07 12:13:03 -07:00
v850 kbuild: Replace remaining "depends" with "depends on" 2007-02-17 19:05:24 +01:00
x86_64 swsusp: do not use page flags 2007-05-07 12:12:59 -07:00
xtensa Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6 2007-05-05 14:55:20 -07:00