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| author | Jeff Dike <jdike@addtoit.com> | 2007-05-06 23:51:19 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 21:13:02 +0200 |
| commit | a18ff1bde0c3da9ece3ba60e6eae2ef87f91a12e (patch) | |
| tree | 4a822b5150773dd979f723232ed2d7169214d9bd /arch/um/sys-i386 | |
| parent | uml: fix umid in xterm titles (diff) | |
| download | linux-a18ff1bde0c3da9ece3ba60e6eae2ef87f91a12e.tar.xz linux-a18ff1bde0c3da9ece3ba60e6eae2ef87f91a12e.zip | |
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>
Diffstat (limited to 'arch/um/sys-i386')
0 files changed, 0 insertions, 0 deletions