twx-linux/include
Jaewon Kim 1f2d03cc53 vmscan: add a vmscan event for reclaim_pages
reclaim_folio_list uses a dummy reclaim_stat and is not being used.  To
know the memory stat, add a new trace event.  This is useful how how many
pages are not reclaimed or why.

This is an example:

mm_vmscan_reclaim_pages: nid=0 nr_scanned=112 nr_reclaimed=112 nr_dirty=0 nr_writeback=0 nr_congested=0 nr_immediate=0 nr_activate_anon=0 nr_activate_file=0 nr_ref_keep=0 nr_unmap_fail=0

Currently reclaim_folio_list is only called by reclaim_pages, and
reclaim_pages is used by damon and madvise.  In the latest Android,
reclaim_pages is also used by shmem to reclaim all pages in a
address_space.

[jaewon31.kim@samsung.com: use sc.nr_scanned rather than new counting]
  Link: https://lkml.kernel.org/r/20241016143227.961162-1-jaewon31.kim@samsung.com
Link: https://lkml.kernel.org/r/20241011124928.1224813-1-jaewon31.kim@samsung.com
Signed-off-by: Jaewon Kim <jaewon31.kim@samsung.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Jaewon Kim <jaewon31.kim@samsung.com>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-11-06 20:11:13 -08:00
..
acpi ACPI: CPPC: Make rmw_lock a raw_spin_lock 2024-10-29 12:56:19 +01:00
asm-generic mm: consolidate common checks in hugetlb_get_unmapped_area 2024-11-06 20:11:10 -08:00
clocksource
crypto
cxl
drm drm/tests: helpers: Add helper for drm_display_mode_from_cea_vic() 2024-10-31 10:31:34 +01:00
dt-bindings
keys
kunit
kvm
linux mm: avoid zeroing user movable page twice with init_on_alloc=1 2024-11-06 20:11:13 -08:00
math-emu
media
memory
misc
net ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow() 2024-10-29 11:12:25 -07:00
pcmcia
ras
rdma
rv
scsi
soc
sound
target
trace vmscan: add a vmscan event for reclaim_pages 2024-11-06 20:11:13 -08:00
uapi sound fixes for 6.12-rc5 2024-10-25 10:35:29 -07:00
ufs
vdso
video fbdev: da8xx: remove the driver 2024-10-15 10:08:23 +02:00
xen xen: Remove dependency between pciback and privcmd 2024-10-18 11:59:04 +02:00