mm: introduce per-VMA lock statistics
authorSuren Baghdasaryan <surenb@google.com>
Mon, 27 Feb 2023 17:36:27 +0000 (09:36 -0800)
committerAndrew Morton <akpm@linux-foundation.org>
Thu, 6 Apr 2023 03:03:01 +0000 (20:03 -0700)
commit52f238653e452e0fda61e880f263a173d219acd1
tree199cd083cb781048caaea10f3301280fcc7d2540
parent444eeb17437a0ef526c606e9141a415d3b7dfddd
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>
include/linux/vm_event_item.h
include/linux/vmstat.h
mm/Kconfig.debug
mm/memory.c
mm/vmstat.c