tree 03d491b6dbcc66079d4015c585f156fc4d94c2ea
parent 87988815073918134c0dae059cf247a4472d78ed
author Andrew Morton <akpm@linux-foundation.org> 1224133311 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1224181291 -0700

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>