kernel_optimize_test/arch/um
Jeff Dike a18ff1bde0 uml: speed up exec
flush_thread doesn't need to do a full page table walk in order to clear the
address space.  It knows what the end result needs to be, so it can call unmap
directly.

This results in a 10-20% speedup in an exec from bash.

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 12:13:02 -07:00
..
drivers uml: fix umid in xterm titles 2007-05-07 12:13:02 -07:00
include uml: Replace one-element array with zero-element array 2007-05-07 12:13:02 -07:00
kernel uml: speed up exec 2007-05-07 12:13:02 -07:00
os-Linux uml: add missing __init declarations 2007-05-07 12:13:01 -07:00
scripts [PATCH] (uml) sparse flags for userland glue are missing $(CF) 2007-03-14 15:27:48 -07:00
sys-i386 uml: remove user_util.h 2007-05-07 12:13:01 -07:00
sys-ia64
sys-ppc uml: remove user_util.h 2007-05-07 12:13:01 -07:00
sys-x86_64 uml: formatting fixes 2007-05-07 12:13:00 -07:00
config.release
defconfig [PATCH] i386: Add an option for the VIA C7 which sets appropriate L1 cache 2007-05-02 19:27:05 +02:00
Kconfig [PATCH] stacktrace doesn't work on uml 2007-03-14 15:27:49 -07:00
Kconfig.char [PATCH] uml: enable RAW 2007-03-01 14:53:38 -08:00
Kconfig.debug
Kconfig.i386 [PATCH] fix indentation-related breakage in Kconfig.i386 2007-01-30 08:39:21 -08:00
Kconfig.net
Kconfig.scsi
Kconfig.x86_64
Makefile [PATCH] uml: fix compilation options for USER_OBJS 2006-10-30 12:08:41 -08:00
Makefile-i386 [PATCH] uml: fix compilation options for USER_OBJS 2006-10-30 12:08:41 -08:00
Makefile-ia64
Makefile-os-Linux
Makefile-ppc
Makefile-skas
Makefile-tt
Makefile-x86_64 [PATCH] uml: fix compilation options for USER_OBJS 2006-10-30 12:08:41 -08:00