diff options
| author | Jan Kara <jack@suse.cz> | 2017-11-29 12:15:13 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2017-11-29 12:15:13 +1100 |
| commit | f5a5b99a317a578aee348e175dfa4107b633cd84 (patch) | |
| tree | d521bb35c800c521a8d5bb077a3046b23c6b9057 | |
| parent | befe3359aee23efa04f6506135a91b490613d514 (diff) | |
| download | linux-f5a5b99a317a578aee348e175dfa4107b633cd84.tar.gz linux-f5a5b99a317a578aee348e175dfa4107b633cd84.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: Stephen Rothwell <sfr@canb.auug.org.au>
| -rw-r--r-- | include/linux/swap.h | 1 | ||||
| -rw-r--r-- | include/linux/vmstat.h | 17 | ||||
| -rw-r--r-- | mm/vmscan.c | 16 |
3 files changed, 0 insertions, 34 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h index ab5f982ad0c0..2417d288e016 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -342,7 +342,6 @@ 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 322a49f548ae..89099eeed383 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 |