mm: rename NR_ANON_PAGES to NR_ANON_MAPPED
NR_FILE_PAGES is the number of file pages. NR_FILE_MAPPED is the number of mapped file pages. NR_ANON_PAGES is the number of mapped anon pages. This is unhelpful naming as it's easy to confuse NR_FILE_MAPPED and NR_ANON_PAGES for mapped pages. This patch renames NR_ANON_PAGES so we have NR_FILE_PAGES is the number of file pages. NR_FILE_MAPPED is the number of mapped file pages. NR_ANON_MAPPED is the number of mapped anon pages. Link: http://lkml.kernel.org/r/1467970510-21195-19-git-send-email-mgorman@techsingularity.net Signed-off-by: Mel Gorman <mgorman@techsingularity.net> Acked-by: Vlastimil Babka <vbabka@suse.cz> Cc: Hillf Danton <hillf.zj@alibaba-inc.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Michal Hocko <mhocko@kernel.org> 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>
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@ -122,7 +122,7 @@ static ssize_t node_read_meminfo(struct device *dev,
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nid, K(sum_zone_node_page_state(nid, NR_WRITEBACK)),
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nid, K(sum_zone_node_page_state(nid, NR_WRITEBACK)),
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nid, K(sum_zone_node_page_state(nid, NR_FILE_PAGES)),
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nid, K(sum_zone_node_page_state(nid, NR_FILE_PAGES)),
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nid, K(node_page_state(pgdat, NR_FILE_MAPPED)),
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nid, K(node_page_state(pgdat, NR_FILE_MAPPED)),
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nid, K(node_page_state(pgdat, NR_ANON_PAGES)),
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nid, K(node_page_state(pgdat, NR_ANON_MAPPED)),
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nid, K(i.sharedram),
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nid, K(i.sharedram),
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nid, sum_zone_node_page_state(nid, NR_KERNEL_STACK) *
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nid, sum_zone_node_page_state(nid, NR_KERNEL_STACK) *
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THREAD_SIZE / 1024,
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THREAD_SIZE / 1024,
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@ -140,7 +140,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
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K(i.freeswap),
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K(i.freeswap),
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K(global_page_state(NR_FILE_DIRTY)),
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K(global_page_state(NR_FILE_DIRTY)),
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K(global_page_state(NR_WRITEBACK)),
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K(global_page_state(NR_WRITEBACK)),
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K(global_node_page_state(NR_ANON_PAGES)),
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K(global_node_page_state(NR_ANON_MAPPED)),
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K(global_node_page_state(NR_FILE_MAPPED)),
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K(global_node_page_state(NR_FILE_MAPPED)),
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K(i.sharedram),
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K(i.sharedram),
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K(global_page_state(NR_SLAB_RECLAIMABLE) +
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K(global_page_state(NR_SLAB_RECLAIMABLE) +
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@ -161,7 +161,7 @@ enum node_stat_item {
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WORKINGSET_REFAULT,
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WORKINGSET_REFAULT,
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WORKINGSET_ACTIVATE,
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WORKINGSET_ACTIVATE,
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WORKINGSET_NODERECLAIM,
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WORKINGSET_NODERECLAIM,
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NR_ANON_PAGES, /* Mapped anonymous pages */
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NR_ANON_MAPPED, /* Mapped anonymous pages */
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NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
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NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
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only modified from process context */
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only modified from process context */
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NR_VM_NODE_STAT_ITEMS
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NR_VM_NODE_STAT_ITEMS
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@ -501,7 +501,7 @@ int migrate_page_move_mapping(struct address_space *mapping,
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* new page and drop references to the old page.
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* new page and drop references to the old page.
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*
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*
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* Note that anonymous pages are accounted for
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* Note that anonymous pages are accounted for
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* via NR_FILE_PAGES and NR_ANON_PAGES if they
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* via NR_FILE_PAGES and NR_ANON_MAPPED if they
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* are mapped to swap space.
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* are mapped to swap space.
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*/
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*/
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if (newzone != oldzone) {
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if (newzone != oldzone) {
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@ -1214,7 +1214,7 @@ void do_page_add_anon_rmap(struct page *page,
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*/
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*/
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if (compound)
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if (compound)
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__inc_zone_page_state(page, NR_ANON_THPS);
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__inc_zone_page_state(page, NR_ANON_THPS);
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__mod_node_page_state(page_pgdat(page), NR_ANON_PAGES, nr);
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__mod_node_page_state(page_pgdat(page), NR_ANON_MAPPED, nr);
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}
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}
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if (unlikely(PageKsm(page)))
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if (unlikely(PageKsm(page)))
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return;
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return;
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@ -1258,7 +1258,7 @@ void page_add_new_anon_rmap(struct page *page,
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/* increment count (starts at -1) */
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/* increment count (starts at -1) */
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atomic_set(&page->_mapcount, 0);
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atomic_set(&page->_mapcount, 0);
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}
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}
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__mod_node_page_state(page_pgdat(page), NR_ANON_PAGES, nr);
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__mod_node_page_state(page_pgdat(page), NR_ANON_MAPPED, nr);
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__page_set_anon_rmap(page, vma, address, 1);
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__page_set_anon_rmap(page, vma, address, 1);
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}
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}
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@ -1375,7 +1375,7 @@ static void page_remove_anon_compound_rmap(struct page *page)
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clear_page_mlock(page);
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clear_page_mlock(page);
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if (nr) {
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if (nr) {
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__mod_node_page_state(page_pgdat(page), NR_ANON_PAGES, -nr);
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__mod_node_page_state(page_pgdat(page), NR_ANON_MAPPED, -nr);
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deferred_split_huge_page(page);
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deferred_split_huge_page(page);
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}
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}
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}
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}
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@ -1404,7 +1404,7 @@ void page_remove_rmap(struct page *page, bool compound)
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* these counters are not modified in interrupt context, and
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* these counters are not modified in interrupt context, and
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* pte lock(a spinlock) is held, which implies preemption disabled.
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* pte lock(a spinlock) is held, which implies preemption disabled.
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*/
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*/
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__dec_node_page_state(page, NR_ANON_PAGES);
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__dec_node_page_state(page, NR_ANON_MAPPED);
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if (unlikely(PageMlocked(page)))
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if (unlikely(PageMlocked(page)))
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clear_page_mlock(page);
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clear_page_mlock(page);
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