diff options
| author | Suren Baghdasaryan <surenb@google.com> | 2023-02-27 09:36:27 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-04-05 20:03:01 -0700 |
| commit | 52f238653e452e0fda61e880f263a173d219acd1 (patch) | |
| tree | 199cd083cb781048caaea10f3301280fcc7d2540 /mm/Kconfig.debug | |
| parent | 444eeb17437a0ef526c606e9141a415d3b7dfddd (diff) | |
mm: introduce per-VMA lock statistics
Add a new CONFIG_PER_VMA_LOCK_STATS config option to dump extra statistics
about handling page fault under VMA lock.
Link: https://lkml.kernel.org/r/20230227173632.3292573-29-surenb@google.com
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/Kconfig.debug')
| -rw-r--r-- | mm/Kconfig.debug | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug index c3547a373c9c..4965a7333a3f 100644 --- a/mm/Kconfig.debug +++ b/mm/Kconfig.debug @@ -279,3 +279,9 @@ config DEBUG_KMEMLEAK_AUTO_SCAN If unsure, say Y. +config PER_VMA_LOCK_STATS + bool "Statistics for per-vma locks" + depends on PER_VMA_LOCK + default y + help + Statistics for per-vma locks. |