- memcg-show-reclaim_stat.patch removed from -mm tree

[akpm@linux-foundation.org]

The patch titled
     memcg: show reclaim_stat
has been removed from the -mm tree.  Its filename was
     memcg-show-reclaim_stat.patch

This patch was dropped because an updated version will be merged

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: memcg: show reclaim_stat
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>

Add the following four fields to memory.stat file.

  - recent_rotated_anon
  - recent_rotated_file
  - recent_scanned_anon
  - recent_scanned_file

It is useful for memcg reclaim debugging.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/memcontrol.c |   25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff -puN mm/memcontrol.c~memcg-show-reclaim_stat mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-show-reclaim_stat
+++ a/mm/memcontrol.c
@@ -1799,6 +1799,31 @@ static int mem_control_stat_show(struct 
 
 	cb->fill(cb, "inactive_ratio", mem_cont->inactive_ratio);
 
+	{
+		int nid, zid;
+		struct mem_cgroup_per_zone *mz;
+		unsigned long recent_rotated[2] = {0, 0};
+		unsigned long recent_scanned[2] = {0, 0};
+
+		for_each_online_node(nid)
+			for (zid = 0; zid < MAX_NR_ZONES; zid++) {
+				mz = mem_cgroup_zoneinfo(mem_cont, nid, zid);
+
+				recent_rotated[0] +=
+					mz->reclaim_stat.recent_rotated[0];
+				recent_rotated[1] +=
+					mz->reclaim_stat.recent_rotated[1];
+				recent_scanned[0] +=
+					mz->reclaim_stat.recent_scanned[0];
+				recent_scanned[1] +=
+					mz->reclaim_stat.recent_scanned[1];
+			}
+		cb->fill(cb, "recent_rotated_anon", recent_rotated[0]);
+		cb->fill(cb, "recent_rotated_file", recent_rotated[1]);
+		cb->fill(cb, "recent_scanned_anon", recent_scanned[0]);
+		cb->fill(cb, "recent_scanned_file", recent_scanned[1]);
+	}
+
 	return 0;
 }
 
_

Patches currently in -mm which might be from kosaki.motohiro@jp.fujitsu.com are

vmscan-evict-streaming-io-first.patch
linux-next.patch
arch-ia64-kernel-iosapicc-fix-warnings.patch
mm-report-the-pagesize-backing-a-vma-in-proc-pid-smaps.patch
mm-report-the-mmu-pagesize-in-proc-pid-smaps.patch
oom-fix-zone_scan_mutex-name.patch
mm-get-rid-of-pagevec_release_nonlru.patch
cleanup-get-rid-of-ifdef-config_migration.patch
mm-more-likely-reclaim-madv_sequential-mappings.patch
mm-make-page_lock_anon_vma-static.patch
memcg-reclaim-shouldnt-change-zone-recent_rotated-statistics.patch
mm-make-init_section_page_cgroup-static.patch
mm-make-maddr-__iomem.patch
mm-make-mem_cgroup_resize_limit-static.patch
mm-make-scan_all_zones_unevictable_pages-static.patch
mm-make-scan_zone_unevictable_pages-static.patch
mm-make-setup_per_zone_inactive_ratio-static.patch
mm-make-vread-and-vwrite-declaration.patch
vmscan-bail-out-of-direct-reclaim-after-swap_cluster_max-pages.patch
mm-kill-zone_is_near_oom.patch
softirq-introduce-statistics-for-softirq.patch
proc-export-statistics-for-softirq-to-proc.patch
proc-update-document-for-proc-softirqs-and-proc-stat.patch
memcg-new-force_empty-to-free-pages-under-group-fix.patch
memcg-new-force_empty-to-free-pages-under-group-fix-fix.patch
memcg-show-reclaim_stat.patch