]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
mm: don't show nr_indirectly_reclaimable in /proc/vmstat
authorRoman Gushchin <guro@fb.com>
Fri, 11 May 2018 23:01:53 +0000 (16:01 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 12 May 2018 00:28:45 +0000 (17:28 -0700)
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@fb.com
Signed-off-by: Roman Gushchin <guro@fb.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/vmstat.c

index 536332e988b872973b1e4dc663eebf0c3f595802..a2b9518980ce47c4219a7f28bc705bdf93ae1d68 100644 (file)
@@ -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');