On Thu 01-09-22 10:24:58, Marco Elver wrote:
> On Thu, Sep 01, 2022 at 06:42AM +0200, Oscar Salvador wrote:
[...]
> > diff --git a/lib/stackdepot.c b/lib/stackdepot.c
> > index 5ca0d086ef4a..aeb59d3557e2 100644
> > --- a/lib/stackdepot.c
> > +++ b/lib/stackdepot.c
> > @@ -63,6 +63,7 @@ struct stack_record {
> > u32 hash; /* Hash in the hastable */
> > u32 size; /* Number of frames in the stack */
> > union handle_parts handle;
> > + refcount_t count; /* Number of the same repeated stacks */
>
> This will increase stack_record size for every user, even if they don't
> care about the count.
Couldn't this be used for garbage collection?
--
Michal Hocko
SUSE Labs
