| commit | a18ff1bde0c3da9ece3ba60e6eae2ef87f91a12e | |
| author | Jeff Dike <jdike@addtoit.com> | |
| Sun, 6 May 2007 21:51:19 +0000 (6 14:51 -0700) | ||
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | |
| Mon, 7 May 2007 19:13:02 +0000 (7 12:13 -0700) | ||
| tree | 4a822b5150773dd979f723232ed2d7169214d9bd | treesnapshot (tar.gz zip) |
| parent | 57ac895a7f22d235f637317f58a2d9ba6ec91a27 | commitdiff |
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>
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>
| arch/um/kernel/skas/exec.c | diffblobblamehistory |