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authorJan Kara <jack@suse.cz>2018-02-01 03:17:06 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-02-01 04:18:37 +0300
commita4ef87684108e5fef38cf289ee360f9b87a53cfd (patch)
tree0bf576e01a96602970f207f2068c28ac07299329
parente025f059a32085d76768e46eac344cba203a6a71 (diff)
downloadlinux-a4ef87684108e5fef38cf289ee360f9b87a53cfd.tar.xz
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@suse.cz Signed-off-by: Jan Kara <jack@suse.cz> Acked-by: Michal Hocko <mhocko@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/swap.h1
-rw-r--r--include/linux/vmstat.h17
-rw-r--r--mm/vmscan.c16
3 files changed, 0 insertions, 34 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 0bd4c25016f9..7b6a59f722a3 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -344,7 +344,6 @@ extern void lru_cache_add_active_or_unevictable(struct page *page,
/* 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 --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 1779c9817b39..a4c2317d8b9f 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -216,23 +216,6 @@ static inline unsigned long zone_page_state_snapshot(struct zone *zone,
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 --git a/mm/vmscan.c b/mm/vmscan.c
index 153e0795f4f0..1a33c8e1e758 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -220,22 +220,6 @@ unsigned long zone_reclaimable_pages(struct zone *zone)
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