The patch titled
Subject: mm: don't show nr_indirectly_reclaimable in /proc/vmstat
has been added to the -mm tree. Its filename is
mm-dont-show-nr_indirectly_reclaimable-in-proc-vmstat.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-dont-show-nr_indirectly_reclaimable-in-proc-vmstat.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-dont-show-nr_indirectly_reclaimable-in-proc-vmstat.patch
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------------------------------------------------------
From: Roman Gushchin <guro@xxxxxx>
Subject: mm: don't show nr_indirectly_reclaimable in /proc/vmstat
Don't show nr_indirectly_reclaimable in /proc/vmstat, because there is no
need to export this vm counter to userspace, and some changes are expected
in reclaimable object accounting, which can alter this counter.
Link: http://lkml.kernel.org/r/20180425191422.9159-1-guro@xxxxxx
Signed-off-by: Roman Gushchin <guro@xxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: David Rientjes <rientjes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmstat.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff -puN mm/vmstat.c~mm-dont-show-nr_indirectly_reclaimable-in-proc-vmstat mm/vmstat.c
--- a/mm/vmstat.c~mm-dont-show-nr_indirectly_reclaimable-in-proc-vmstat
+++ a/mm/vmstat.c
@@ -1161,7 +1161,7 @@ const char * const vmstat_text[] = {
"nr_vmscan_immediate_reclaim",
"nr_dirtied",
"nr_written",
- "nr_indirectly_reclaimable",
+ "", /* nr_indirectly_reclaimable */
/* enum writeback_stat_item counters */
"nr_dirty_threshold",
@@ -1740,6 +1740,10 @@ static int vmstat_show(struct seq_file *
unsigned long *l = arg;
unsigned long off = l - (unsigned long *)m->private;
+ /* Skip hidden vmstat items. */
+ if (*vmstat_text[off] == '\0')
+ return 0;
+
seq_puts(m, vmstat_text[off]);
seq_put_decimal_ull(m, " ", *l);
seq_putc(m, '\n');
_
Patches currently in -mm which might be from guro@xxxxxx are
mm-dont-show-nr_indirectly_reclaimable-in-proc-vmstat.patch
mm-rename-page_counters-count-limit-into-usage-max.patch
mm-memorylow-hierarchical-behavior.patch
mm-treat-memorylow-value-inclusive.patch
mm-docs-describe-memorylow-refinements.patch
mm-oom-refactor-the-oom_kill_process-function.patch
mm-implement-mem_cgroup_scan_tasks-for-the-root-memory-cgroup.patch
mm-oom-cgroup-aware-oom-killer.patch
mm-oom-introduce-memoryoom_group.patch
mm-oom-introduce-memoryoom_group-fix.patch
mm-oom-add-cgroup-v2-mount-option-for-cgroup-aware-oom-killer.patch
mm-oom-docs-describe-the-cgroup-aware-oom-killer.patch
mm-oom-docs-describe-the-cgroup-aware-oom-killer-fix.patch
cgroup-list-groupoom-in-cgroup-features.patch
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