The patch titled
Subject: mm: remove unused pgdat_reclaimable_pages()
has been added to the -mm tree. Its filename is
mm-remove-unused-pgdat_reclaimable_pages.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-remove-unused-pgdat_reclaimable_pages.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-remove-unused-pgdat_reclaimable_pages.patch
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------------------------------------------------------
From: Jan Kara <jack@xxxxxxx>
Subject: mm: remove unused pgdat_reclaimable_pages()
Remove unused function pgdat_reclaimable_pages() and
node_page_state_snapshot() which becomes unused as well.
Link: http://lkml.kernel.org/r/20171122094416.26019-1-jack@xxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/swap.h | 1 -
include/linux/vmstat.h | 17 -----------------
mm/vmscan.c | 16 ----------------
3 files changed, 34 deletions(-)
diff -puN include/linux/swap.h~mm-remove-unused-pgdat_reclaimable_pages include/linux/swap.h
--- a/include/linux/swap.h~mm-remove-unused-pgdat_reclaimable_pages
+++ a/include/linux/swap.h
@@ -342,7 +342,6 @@ extern void lru_cache_add_active_or_unev
/* linux/mm/vmscan.c */
extern unsigned long zone_reclaimable_pages(struct zone *zone);
-extern unsigned long pgdat_reclaimable_pages(struct pglist_data *pgdat);
extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order,
gfp_t gfp_mask, nodemask_t *mask);
extern int __isolate_lru_page(struct page *page, isolate_mode_t mode);
diff -puN include/linux/vmstat.h~mm-remove-unused-pgdat_reclaimable_pages include/linux/vmstat.h
--- a/include/linux/vmstat.h~mm-remove-unused-pgdat_reclaimable_pages
+++ a/include/linux/vmstat.h
@@ -216,23 +216,6 @@ static inline unsigned long zone_page_st
return x;
}
-static inline unsigned long node_page_state_snapshot(pg_data_t *pgdat,
- enum node_stat_item item)
-{
- long x = atomic_long_read(&pgdat->vm_stat[item]);
-
-#ifdef CONFIG_SMP
- int cpu;
- for_each_online_cpu(cpu)
- x += per_cpu_ptr(pgdat->per_cpu_nodestats, cpu)->vm_node_stat_diff[item];
-
- if (x < 0)
- x = 0;
-#endif
- return x;
-}
-
-
#ifdef CONFIG_NUMA
extern void __inc_numa_state(struct zone *zone, enum numa_stat_item item);
extern unsigned long sum_zone_node_page_state(int node,
diff -puN mm/vmscan.c~mm-remove-unused-pgdat_reclaimable_pages mm/vmscan.c
--- a/mm/vmscan.c~mm-remove-unused-pgdat_reclaimable_pages
+++ a/mm/vmscan.c
@@ -220,22 +220,6 @@ unsigned long zone_reclaimable_pages(str
return nr;
}
-unsigned long pgdat_reclaimable_pages(struct pglist_data *pgdat)
-{
- unsigned long nr;
-
- nr = node_page_state_snapshot(pgdat, NR_ACTIVE_FILE) +
- node_page_state_snapshot(pgdat, NR_INACTIVE_FILE) +
- node_page_state_snapshot(pgdat, NR_ISOLATED_FILE);
-
- if (get_nr_swap_pages() > 0)
- nr += node_page_state_snapshot(pgdat, NR_ACTIVE_ANON) +
- node_page_state_snapshot(pgdat, NR_INACTIVE_ANON) +
- node_page_state_snapshot(pgdat, NR_ISOLATED_ANON);
-
- return nr;
-}
-
/**
* lruvec_lru_size - Returns the number of pages on the given LRU list.
* @lruvec: lru vector
_
Patches currently in -mm which might be from jack@xxxxxxx are
mm-remove-unused-pgdat_reclaimable_pages.patch
mm-readahead-increase-maximum-readahead-window.patch
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