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mm: remove unused pgdat_reclaimable_pages()

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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>
This commit is contained in:
Jan Kara 2018-01-31 16:17:06 -08:00 committed by Linus Torvalds
parent e025f059a3
commit a4ef876841
3 changed files with 0 additions and 34 deletions
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1
include/linux/swap.h
View File

@ -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);

17
include/linux/vmstat.h
View File

@ -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,

16
mm/vmscan.c
View File

@ -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