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| author | Dennis Zhou (Facebook) <dennisszhou@gmail.com> | 2017-07-16 04:23:08 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2017-07-17 16:46:58 +0200 |
| commit | 6b9b6f39946c4a7a98fac31ee91bac43cd2b73a9 (patch) | |
| tree | f6405a03492b80c36dec85a784430106d85ce82a /mm/percpu-stats.c | |
| parent | percpu: change the format for percpu_stats output (diff) | |
| download | linux-6b9b6f39946c4a7a98fac31ee91bac43cd2b73a9.tar.xz linux-6b9b6f39946c4a7a98fac31ee91bac43cd2b73a9.zip | |
percpu: expose pcpu_nr_empty_pop_pages in pcpu_stats
Percpu memory holds a minimum threshold of pages that are populated
in order to serve atomic percpu memory requests. This change makes it
easier to verify that there are a minimum number of populated pages
lying around.
Signed-off-by: Dennis Zhou <dennisszhou@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'mm/percpu-stats.c')
| -rw-r--r-- | mm/percpu-stats.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/percpu-stats.c b/mm/percpu-stats.c index fa0f5de26c68..44e561d3ab47 100644 --- a/mm/percpu-stats.c +++ b/mm/percpu-stats.c @@ -164,6 +164,7 @@ alloc_buffer: PU(nr_max_chunks); PU(min_alloc_size); PU(max_alloc_size); + P("empty_pop_pages", pcpu_nr_empty_pop_pages); seq_putc(m, '\n'); #undef PU |