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mm, rmap: account shmem thp pages

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Let's add ShmemHugePages and ShmemPmdMapped fields into meminfo and
smaps.  It indicates how many times we allocate and map shmem THP.

NR_ANON_TRANSPARENT_HUGEPAGES is renamed to NR_ANON_THPS.

Link: http://lkml.kernel.org/r/1466021202-61880-27-git-send-email-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Kirill A. Shutemov 2016-07-26 15:26:10 -07:00 • committed by Linus Torvalds
commit 65c453778a
8 changed files with 58 additions and 15 deletions
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mm/vmstat.c
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@ -733,6 +733,8 @@ const char * const vmstat_text[] = {
"workingset_activate",
"workingset_nodereclaim",
"nr_anon_transparent_hugepages",
"nr_shmem_hugepages",
"nr_shmem_pmdmapped",
"nr_free_cma",
/* enum writeback_stat_item counters */