On Mon, Oct 01, 2007 at 11:08:14AM -0700, Arjan van de Ven wrote:
> On Mon, 1 Oct 2007 16:15:53 +0400
> Alexey Dobriyan <[email protected]> wrote:
>
> > Save ~650 bytes here.
> >
> > add/remove: 4/0 grow/shrink: 0/7 up/down: 430/-1088 (-658)
> > function old new delta
> > __copy_fs_struct - 202 +202
> > __put_fs_struct - 112 +112
> > __exit_fs - 58 +58
> > __exit_files - 58 +58
> > exit_files 58 2 -56
> > put_fs_struct 112 5 -107
> > exit_fs 161 2 -159
> > sys_unshare 774 590 -184
> > copy_process 4031 3840 -191
> > do_exit 1791 1597 -194
> > copy_fs_struct 202 5 -197
> >
> > No difference in lmbench lat_proc tests on 2-way Opteron 246.
> > Smaaaal degradation on UP P4 (within errors).
> >
>
> is there any impact on stack usage?
No differences in checkstack output which threshold is 100 bytes.
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