On Wed, Oct 09, 2019 at 02:21:06PM +1100, Dave Chinner wrote: > From: Dave Chinner <dchinner@xxxxxxxxxx> > > Introduce a mechanism for ->count_objects() to indicate to the > shrinker infrastructure that the reclaim context will not allow > scanning work to be done and so the work it decides is necessary > needs to be deferred. > > This simplifies the code by separating out the accounting of > deferred work from the actual doing of the work, and allows better > decisions to be made by the shrinekr control logic on what action it > can take. I hate all this boilerplate code in the scanners. Can't we just add a a required_gfp_mask field to struct shrinker and lift the pattern to common code?
