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| author |   Johannes Weiner <hannes@cmpxchg.org> | 2018-10-26 15:06:39 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-26 16:26:33 -0700 |
| commit | 68d48e6a2df575b935edd420396c3cb8b6aa6ad3 (patch) | |
| tree | 65782c01f3abd521fffc93ea78166915882ddb57 /mm/vmstat.c | |
| parent | mm: workingset: use cheaper __inc_lruvec_state in irqsafe node reclaim (diff) | |
| download | linux-dev-68d48e6a2df575b935edd420396c3cb8b6aa6ad3.tar.xz linux-dev-68d48e6a2df575b935edd420396c3cb8b6aa6ad3.zip | |
mm: workingset: add vmstat counter for shadow nodes
Make it easier to catch bugs in the shadow node shrinker by adding a
counter for the shadow nodes in circulation.
[akpm@linux-foundation.org: assert that irqs are disabled, for __inc_lruvec_page_state()]
[akpm@linux-foundation.org: s/WARN_ON_ONCE/VM_WARN_ON_ONCE/, per Johannes]
Link: http://lkml.kernel.org/r/20181009184732.762-4-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmstat.c')
| -rw-r--r-- | mm/vmstat.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/vmstat.c b/mm/vmstat.c index d918f6192d15..dab53430f63c 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1143,6 +1143,7 @@ const char * const vmstat_text[] = { "nr_slab_unreclaimable", "nr_isolated_anon", "nr_isolated_file", + "workingset_nodes", "workingset_refault", "workingset_activate", "workingset_restore", |