| commit | 9679e4dd628743b9ef4375d60ae69923c3766173 | [log] [tgz] |
|---|---|---|
| author | Andrew Morton <akpm@linux-foundation.org> | Wed Oct 15 22:01:51 2008 -0700 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Thu Oct 16 11:21:31 2008 -0700 |
| tree | 03d491b6dbcc66079d4015c585f156fc4d94c2ea | |
| parent | 87988815073918134c0dae059cf247a4472d78ed [diff] |
kernel/sys.c: improve code generation
utsname() is quite expensive to calculate. Cache it in a local.
text data bss dec hex filename
before: 11136 720 16 11872 2e60 kernel/sys.o
after: 11096 720 16 11832 2e38 kernel/sys.o
Acked-by: Vegard Nossum <vegard.nossum@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: "Serge E. Hallyn" <serue@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>