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mm: move page mapped accounting to the node

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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/[email protected]
Signed-off-by: Mel Gorman <[email protected]>
Acked-by: Vlastimil Babka <[email protected]>
Acked-by: Michal Hocko <[email protected]>
Cc: Hillf Danton <[email protected]>
Acked-by: Johannes Weiner <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Rik van Riel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Mel Gorman 2016-07-28 15:46:14 -07:00 • committed by Linus Torvalds
commit 50658e2e04
8 changed files with 21 additions and 21 deletions
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14
mm/rmap.c
View file

@ -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);