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author | 2019-05-13 17:16:51 -0700 | |
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committer | 2019-05-14 09:47:45 -0700 | |
commit | 886cf1901db962cee5f8b82b9b260079a5e8a4eb (patch) | |
tree | 53edc7213da3403ed7b201d08e448719c352bc19 /include/linux/vmstat.h | |
parent | mm, page_alloc: disallow __GFP_COMP in alloc_pages_exact() (diff) | |
download | linux-886cf1901db962cee5f8b82b9b260079a5e8a4eb.tar.gz linux-886cf1901db962cee5f8b82b9b260079a5e8a4eb.tar.bz2 linux-886cf1901db962cee5f8b82b9b260079a5e8a4eb.zip |
mm: move recent_rotated pages calculation to shrink_inactive_list()
Patch series "mm: Generalize putback functions"]
putback_inactive_pages() and move_active_pages_to_lru() are almost
similar, so this patchset merges them ina single function.
This patch (of 4):
The patch moves the calculation from putback_inactive_pages() to
shrink_inactive_list(). This makes putback_inactive_pages() looking more
similar to move_active_pages_to_lru().
To do that, we account activated pages in reclaim_stat::nr_activate.
Since a page may change its LRU type from anon to file cache inside
shrink_page_list() (see ClearPageSwapBacked()), we have to account pages
for the both types. So, nr_activate becomes an array.
Previously we used nr_activate to account PGACTIVATE events, but now we
account them into pgactivate variable (since they are about number of
pages in general, not about sum of hpage_nr_pages).
Link: http://lkml.kernel.org/r/155290127956.31489.3393586616054413298.stgit@localhost.localdomain
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/vmstat.h')
-rw-r--r-- | include/linux/vmstat.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 2db8d60981fe..bdeda4b079fe 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -26,7 +26,7 @@ struct reclaim_stat { unsigned nr_congested; unsigned nr_writeback; unsigned nr_immediate; - unsigned nr_activate; + unsigned nr_activate[2]; unsigned nr_ref_keep; unsigned nr_unmap_fail; }; |