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mm: move most file-based accounting to the node

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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.

[[email protected]: fix NR_ZONE_WRITE_PENDING accounting]
  Link: http://lkml.kernel.org/r/[email protected]
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 15:46:20 -07:00 • committed by Linus Torvalds
commit 11fb998986
24 changed files with 155 additions and 162 deletions
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16
drivers/base/node.c
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@ -118,28 +118,28 @@ static ssize_t node_read_meminfo(struct device *dev,
"Node %d ShmemPmdMapped: %8lu kB\n"
#endif
,
nid, K(sum_zone_node_page_state(nid, NR_FILE_DIRTY)),
nid, K(sum_zone_node_page_state(nid, NR_WRITEBACK)),
nid, K(sum_zone_node_page_state(nid, NR_FILE_PAGES)),
nid, K(node_page_state(pgdat, NR_FILE_DIRTY)),
nid, K(node_page_state(pgdat, NR_WRITEBACK)),
nid, K(node_page_state(pgdat, NR_FILE_PAGES)),
nid, K(node_page_state(pgdat, NR_FILE_MAPPED)),
nid, K(node_page_state(pgdat, NR_ANON_MAPPED)),
nid, K(i.sharedram),
nid, sum_zone_node_page_state(nid, NR_KERNEL_STACK) *
THREAD_SIZE / 1024,
nid, K(sum_zone_node_page_state(nid, NR_PAGETABLE)),
nid, K(sum_zone_node_page_state(nid, NR_UNSTABLE_NFS)),
nid, K(node_page_state(pgdat, NR_UNSTABLE_NFS)),
nid, K(sum_zone_node_page_state(nid, NR_BOUNCE)),
nid, K(sum_zone_node_page_state(nid, NR_WRITEBACK_TEMP)),
nid, K(node_page_state(pgdat, NR_WRITEBACK_TEMP)),
nid, K(sum_zone_node_page_state(nid, NR_SLAB_RECLAIMABLE) +
sum_zone_node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
nid, K(sum_zone_node_page_state(nid, NR_SLAB_RECLAIMABLE)),
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
nid, K(sum_zone_node_page_state(nid, NR_SLAB_UNRECLAIMABLE)),
nid, K(sum_zone_node_page_state(nid, NR_ANON_THPS) *
nid, K(node_page_state(pgdat, NR_ANON_THPS) *
HPAGE_PMD_NR),
nid, K(sum_zone_node_page_state(nid, NR_SHMEM_THPS) *
nid, K(node_page_state(pgdat, NR_SHMEM_THPS) *
HPAGE_PMD_NR),
nid, K(sum_zone_node_page_state(nid, NR_SHMEM_PMDMAPPED) *
nid, K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED) *
HPAGE_PMD_NR));
#else
nid, K(sum_zone_node_page_state(nid, NR_SLAB_UNRECLAIMABLE)));