[PATCH] mm: don't show nr_indirectly_reclaimable in /proc/vmstat
flat view
STALE3084d
From: Roman Gushchin <hidden>
Date: 2018-04-25 19:16:25
Also in:
linux-mm, lkml
Subsystem:
memory management, memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
Don't show nr_indirectly_reclaimable in /proc/vmstat, because there is no need in exporting this vm counter to the userspace, and some changes are expected in reclaimable object accounting, which can alter this counter. Signed-off-by: Roman Gushchin <redacted> Cc: Vlastimil Babka <redacted> Cc: Matthew Wilcox <willy@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Michal Hocko <mhocko@suse.com> Cc: Johannes Weiner <hannes@cmpxchg.org> --- mm/vmstat.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 536332e988b8..a2b9518980ce 100644
--- a/mm/vmstat.c
+++ b/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 *m, void *arg) 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');
--
2.14.3