kernel_optimize_test/arch/um/kernel
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
..
skas uml: speed up exec 2007-05-07 12:13:02 -07:00
tt remove unused header file: arch/um/kernel/tt/include/mode_kern-tt.h 2007-05-07 12:13:01 -07:00
asm-offsets.c [PATCH] uml: fix missing KBUILD_BASENAME 2006-01-11 18:42:09 -08:00
config.c.in Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dyn.lds.S [PATCH] uml: add _text definition to linker scripts 2006-10-31 08:07:00 -08:00
exec.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
exitcode.c [PATCH] uml: locking documentation 2006-09-29 09:18:04 -07:00
gmon_syms.c [PATCH] uml: fix gcov support 2006-09-27 08:26:16 -07:00
gprof_syms.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
init_task.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
initrd.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
irq.c uml: irq locking commentary 2007-05-07 12:13:02 -07:00
ksyms.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
Makefile [PATCH] uml: delete unused file 2007-02-11 10:51:22 -08:00
mem.c uml: add missing __init declarations 2007-05-07 12:13:01 -07:00
physmem.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
process.c uml: kernel_thread shouldn't panic 2007-05-07 12:13:02 -07:00
ptrace.c [PATCH] uml: x86_64 ptrace fixes 2007-02-11 10:51:24 -08:00
reboot.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
sigio.c [PATCH] uml: SIGIO formatting fixes 2007-02-11 10:51:23 -08:00
signal.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
smp.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
syscall.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
sysrq.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
time.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
tlb.c uml: speed up page table walking 2007-05-07 12:13:03 -07:00
trap.c uml: kernel segfaults should dump proper registers 2007-05-07 12:13:02 -07:00
uaccess.c [PATCH] uml: separate libc-dependent uaccess code 2005-11-07 07:53:31 -08:00
um_arch.c uml: comment early boot locking 2007-05-07 12:13:02 -07:00
umid.c [PATCH] uml: umid tidying 2007-02-11 10:51:24 -08:00
uml.lds.S [PATCH] uml: add _text definition to linker scripts 2006-10-31 08:07:00 -08:00
vmlinux.lds.S [PATCH] uml: tidy biarch gcc support 2006-07-14 21:53:52 -07:00