mm: remove CONFIG_UNEVICTABLE_LRU config option

Currently, nobody wants to turn UNEVICTABLE_LRU off.  Thus this
configurability is unnecessary.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Andi Kleen <andi@firstfloor.org>
Acked-by: Minchan Kim <minchan.kim@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Rik van Riel <riel@redhat.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 4 deletions

diff --git a/mm/vmstat.c b/mm/vmstat.c
index 1e151cf6bf86..1e3aa8139f22 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -629,10 +629,8 @@ static const char * const vmstat_text[] = {
         "nr_active_anon",
         "nr_inactive_file",
         "nr_active_file",
-#ifdef CONFIG_UNEVICTABLE_LRU
         "nr_unevictable",
         "nr_mlock",
-#endif
         "nr_anon_pages",
         "nr_mapped",
         "nr_file_pages",
@@ -687,7 +685,6 @@ static const char * const vmstat_text[] = {
         "htlb_buddy_alloc_success",
         "htlb_buddy_alloc_fail",
 #endif
-#ifdef CONFIG_UNEVICTABLE_LRU
         "unevictable_pgs_culled",
         "unevictable_pgs_scanned",
         "unevictable_pgs_rescued",
@@ -697,7 +694,6 @@ static const char * const vmstat_text[] = {
         "unevictable_pgs_stranded",
         "unevictable_pgs_mlockfreed",
 #endif
-#endif
 };
 
 static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,