On Thu, Apr 1, 2021 at 8:34 AM Doug Anderson wrote:
>
> Hi,
>
> On Wed, Mar 31, 2021 at 6:24 PM Rob Clark wrote:
> >
> > @@ -45,6 +30,9 @@ msm_gem_shrinker_scan(struct shrinker *shrinker, struct
> > shrink_control *sc)
> > list_for_each_entry(msm_obj, &priv->inactive_dontneed, mm_list) {
Hi,
On Wed, Mar 31, 2021 at 6:24 PM Rob Clark wrote:
>
> @@ -45,6 +30,9 @@ msm_gem_shrinker_scan(struct shrinker *shrinker, struct
> shrink_control *sc)
> list_for_each_entry(msm_obj, &priv->inactive_dontneed, mm_list) {
> if (freed >= sc->nr_to_scan)
>
From: Rob Clark
When the system is under heavy memory pressure, we can end up with lots
of concurrent calls into the shrinker. Keeping a running tab on what we
can shrink avoids grabbing a lock in shrinker->count(), and avoids
shrinker->scan() getting called when not profitable.
Also, we can ke
