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SubjectRe: [PATCH (2.4)] atomic use count for proc_dir_entry
On Thu, 16 Nov 2000, Jacob Luna Lundberg wrote:

>
> I'm not (yet) a kernel guru, so just point and laugh if I'm wrong, but...
>
> On Thu, 16 Nov 2000, Dan Aloni wrote:
> > - if (!--de->count) {
> > + if (atomic_dec_and_test(&de->count)) {
>
> Doesn't this reverse the sense of the test?

If you are right, I guess put_files_struct() of kernel/exit.c would
have cleaned files_struct everytime someones called it.
Everywhere in the kernel, objects are freed when
atomic_dec_and_test() returns true.

--
Dan Aloni
dax@karrde.org

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