diff options
| author | Jeff Dike <jdike@addtoit.com> | 2007-05-06 14:51:19 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-07 12:13:02 -0700 |
| commit | a18ff1bde0c3da9ece3ba60e6eae2ef87f91a12e (patch) | |
| tree | 4a822b5150773dd979f723232ed2d7169214d9bd /lib/iomap_copy.c | |
| parent | 57ac895a7f22d235f637317f58a2d9ba6ec91a27 (diff) | |
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 'lib/iomap_copy.c')
0 files changed, 0 insertions, 0 deletions