On March 01, 2017 5:40 AM Johannes Weiner wrote: > > NR_PAGES_SCANNED counts number of pages scanned since the last page > free event in the allocator. This was used primarily to measure the > reclaimability of zones and nodes, and determine when reclaim should > give up on them. In that role, it has been replaced in the preceeding > patches by a different mechanism. > > Being implemented as an efficient vmstat counter, it was automatically > exported to userspace as well. It's however unlikely that anyone > outside the kernel is using this counter in any meaningful way. > > Remove the counter and the unused pgdat_reclaimable(). > > Signed-off-by: Johannes Weiner <han...@cmpxchg.org> > --- Acked-by: Hillf Danton <hillf...@alibaba-inc.com>
- [PATCH 1/9] mm: fix 100% CPU kswapd busyloop on unreclaima... Johannes Weiner
- [PATCH 6/9] mm: don't avoid high-priority reclaim on memcg... Johannes Weiner
- Re: [PATCH 6/9] mm: don't avoid high-priority reclaim... Michal Hocko
- Re: [PATCH 6/9] mm: don't avoid high-priority rec... Johannes Weiner
- Re: [PATCH 6/9] mm: don't avoid high-priority... Michal Hocko
- Re: [PATCH 6/9] mm: don't avoid high-priority reclaim... Hillf Danton
- [PATCH 7/9] mm: delete NR_PAGES_SCANNED and pgdat_reclaima... Johannes Weiner
- Re: [PATCH 7/9] mm: delete NR_PAGES_SCANNED and pgdat... Michal Hocko
- Re: [PATCH 7/9] mm: delete NR_PAGES_SCANNED and pgdat... Hillf Danton
- [PATCH 2/9] mm: fix check for reclaimable pages in PF_MEMA... Johannes Weiner
- [PATCH 9/9] mm: remove unnecessary back-off function when ... Johannes Weiner
- [PATCH 5/9] mm: don't avoid high-priority reclaim on unrec... Johannes Weiner