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| author | Mel Gorman <mgorman@techsingularity.net> | 2016-07-28 15:46:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-28 16:07:41 -0700 |
| commit | 11fb998986a72aa7e997d96d63d52582a01228c5 (patch) | |
| tree | fd9db095081c4fe2212db7de2757bfdf4645dc04 /mm/swap_state.c | |
| parent | 4b9d0fab7166c9323f06d708518a35cf3a90426c (diff) | |
| download | lwn-11fb998986a72aa7e997d96d63d52582a01228c5.tar.gz lwn-11fb998986a72aa7e997d96d63d52582a01228c5.zip | |
mm: move most file-based accounting to the node
There are now a number of accounting oddities such as mapped file pages
being accounted for on the node while the total number of file pages are
accounted on the zone. This can be coped with to some extent but it's
confusing so this patch moves the relevant file-based accounted. Due to
throttling logic in the page allocator for reliable OOM detection, it is
still necessary to track dirty and writeback pages on a per-zone basis.
[mgorman@techsingularity.net: fix NR_ZONE_WRITE_PENDING accounting]
Link: http://lkml.kernel.org/r/1468404004-5085-5-git-send-email-mgorman@techsingularity.net
Link: http://lkml.kernel.org/r/1467970510-21195-20-git-send-email-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/swap_state.c')
| -rw-r--r-- | mm/swap_state.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c index c99463ac02fb..c8310a37be3a 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -95,7 +95,7 @@ int __add_to_swap_cache(struct page *page, swp_entry_t entry) entry.val, page); if (likely(!error)) { address_space->nrpages++; - __inc_zone_page_state(page, NR_FILE_PAGES); + __inc_node_page_state(page, NR_FILE_PAGES); INC_CACHE_INFO(add_total); } spin_unlock_irq(&address_space->tree_lock); @@ -147,7 +147,7 @@ void __delete_from_swap_cache(struct page *page) set_page_private(page, 0); ClearPageSwapCache(page); address_space->nrpages--; - __dec_zone_page_state(page, NR_FILE_PAGES); + __dec_node_page_state(page, NR_FILE_PAGES); INC_CACHE_INFO(del_total); } |