Song Liu 60fbf0ab5d mm,thp: stats for file backed THP
In preparation for non-shmem THP, this patch adds a few stats and exposes
them in /proc/meminfo, /sys/bus/node/devices/<node>/meminfo, and
/proc/<pid>/task/<tid>/smaps.

This patch is mostly a rewrite of Kirill A.  Shutemov's earlier version:
https://lkml.kernel.org/r/20170126115819.58875-5-kirill.shutemov@linux.intel.com/

Link: http://lkml.kernel.org/r/20190801184244.3169074-5-songliubraving@fb.com
Signed-off-by: Song Liu <songliubraving@fb.com>
Acked-by: Rik van Riel <riel@surriel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Hillf Danton <hdanton@sina.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-09-24 15:54:11 -07:00
..
2019-09-24 15:54:08 -07:00
2019-08-30 22:43:58 -07:00
2019-09-24 15:54:08 -07:00
2019-09-24 15:54:09 -07:00
2019-09-21 10:07:42 -07:00
2019-09-24 15:54:09 -07:00
2019-07-14 19:42:11 -07:00
2019-08-20 07:55:16 -07:00
2019-09-24 15:54:08 -07:00
2018-06-07 17:34:36 -07:00
2019-07-12 11:05:43 -07:00
2019-09-24 15:54:08 -07:00
2019-09-04 13:40:49 -07:00
2019-09-24 15:54:08 -07:00
2019-09-24 15:54:08 -07:00
2019-09-24 15:54:08 -07:00
2019-09-24 15:54:08 -07:00
2019-09-24 15:54:11 -07:00
2019-09-24 15:54:10 -07:00