On Tue, 15 Sep 2020 18:46:20 +0800 <yanfei.xu@xxxxxxxxxxxxx> wrote: > From: Yanfei Xu <yanfei.xu@xxxxxxxxxxxxx> > > try_to_free_pages returns the number of pages reclaimed, and the type of > returns is 'unsigned long'. So we should use a matched type for storing > it. > __perform_reclaim() returns an int, so this change is fairly pointless. However __perform_reclaim()'s single caller expects it to return unsigned long, so including that change in this patch would make more sense.
