Commit a4ef8768 authored by Jan Kara's avatar Jan Kara Committed by Linus Torvalds
Browse files

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: default avatarJan Kara <jack@suse.cz>
Acked-by: default avatarMichal Hocko <mhocko@suse.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e025f059

include/linux/swap.h

+0 −1
Original line number Diff line number Diff line
@@ -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);

include/linux/vmstat.h

+0 −17
Original line number Diff line number Diff line
@@ -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,

mm/vmscan.c

+0 −16
Original line number Diff line number Diff line
@@ -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

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