Re: [PATCH 0/4] Remove the type-unclear target id concept

From: SeongJae Park
Date: Wed Jan 26 2022 - 11:37:21 EST


On Thu, 30 Dec 2021 18:20:59 -0800 Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Thu, 30 Dec 2021 10:07:19 +0000 SeongJae Park <sj@xxxxxxxxxx> wrote:
>
> > DAMON asks each monitoring target ('struct damon_target') to have one
> > 'unsigned long' integer called 'id', which should be unique among the
> > targets of same monitoring context. Meaning of it is, however, totally
> > up to the monitoring primitives that registered to the monitoring
> > context. For example, the virtual address spaces monitoring primitives
> > treats the id as a 'struct pid' pointer.
> >
> > This makes the code flexible but ugly, not well-documented, and
> > type-unsafe[1]. Also, identification of each target can be done via its
> > index. For the reason, this patchset removes the concept and uses clear
> > type definition.
>
> Thanks. This doesn't appear to be urgent, so I'll park it until after 5.17-rc1.

Just for a remind. I confirmed this patchset is cleanly applicable on the
latest -next tree.


Thanks,
SJ