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| author | Mel Gorman <mgorman@techsingularity.net> | 2016-07-28 15:46:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-28 16:07:41 -0700 |
| commit | 50658e2e04c12d5cd628381c1b9cb69d0093a9c0 (patch) | |
| tree | 9afad9b1cba152df6971cedb58d5d39d9a538c44 /mm/rmap.c | |
| parent | 281e37265f2826ed401d84d6790226448ef3f0e8 (diff) | |
| download | lwn-50658e2e04c12d5cd628381c1b9cb69d0093a9c0.tar.gz lwn-50658e2e04c12d5cd628381c1b9cb69d0093a9c0.zip | |
mm: move page mapped accounting to the node
Reclaim makes decisions based on the number of pages that are mapped but
it's mixing node and zone information. Account NR_FILE_MAPPED and
NR_ANON_PAGES pages on the node.
Link: http://lkml.kernel.org/r/1467970510-21195-18-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/rmap.c')
| -rw-r--r-- | mm/rmap.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index dc28bfecbf80..a46aef3d751a 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1214,7 +1214,7 @@ void do_page_add_anon_rmap(struct page *page, */ if (compound) __inc_zone_page_state(page, NR_ANON_THPS); - __mod_zone_page_state(page_zone(page), NR_ANON_PAGES, nr); + __mod_node_page_state(page_pgdat(page), NR_ANON_PAGES, nr); } if (unlikely(PageKsm(page))) return; @@ -1258,7 +1258,7 @@ void page_add_new_anon_rmap(struct page *page, /* increment count (starts at -1) */ atomic_set(&page->_mapcount, 0); } - __mod_zone_page_state(page_zone(page), NR_ANON_PAGES, nr); + __mod_node_page_state(page_pgdat(page), NR_ANON_PAGES, nr); __page_set_anon_rmap(page, vma, address, 1); } @@ -1293,7 +1293,7 @@ void page_add_file_rmap(struct page *page, bool compound) if (!atomic_inc_and_test(&page->_mapcount)) goto out; } - __mod_zone_page_state(page_zone(page), NR_FILE_MAPPED, nr); + __mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, nr); mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED); out: unlock_page_memcg(page); @@ -1329,11 +1329,11 @@ static void page_remove_file_rmap(struct page *page, bool compound) } /* - * We use the irq-unsafe __{inc|mod}_zone_page_stat because + * We use the irq-unsafe __{inc|mod}_zone_page_state because * these counters are not modified in interrupt context, and * pte lock(a spinlock) is held, which implies preemption disabled. */ - __mod_zone_page_state(page_zone(page), NR_FILE_MAPPED, -nr); + __mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, -nr); mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED); if (unlikely(PageMlocked(page))) @@ -1375,7 +1375,7 @@ static void page_remove_anon_compound_rmap(struct page *page) clear_page_mlock(page); if (nr) { - __mod_zone_page_state(page_zone(page), NR_ANON_PAGES, -nr); + __mod_node_page_state(page_pgdat(page), NR_ANON_PAGES, -nr); deferred_split_huge_page(page); } } @@ -1404,7 +1404,7 @@ void page_remove_rmap(struct page *page, bool compound) * these counters are not modified in interrupt context, and * pte lock(a spinlock) is held, which implies preemption disabled. */ - __dec_zone_page_state(page, NR_ANON_PAGES); + __dec_node_page_state(page, NR_ANON_PAGES); if (unlikely(PageMlocked(page))) clear_page_mlock(page); |