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, 9 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 00e293734fc9..c95a77cd581b 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2077,19 +2077,14 @@ void show_free_areas(void)
 
         printk("Active_anon:%lu active_file:%lu inactive_anon:%lu\n"
                 " inactive_file:%lu"
-//TODO:  check/adjust line lengths
-#ifdef CONFIG_UNEVICTABLE_LRU
                 " unevictable:%lu"
-#endif
                 " dirty:%lu writeback:%lu unstable:%lu\n"
                 " free:%lu slab:%lu mapped:%lu pagetables:%lu bounce:%lu\n",
                 global_page_state(NR_ACTIVE_ANON),
                 global_page_state(NR_ACTIVE_FILE),
                 global_page_state(NR_INACTIVE_ANON),
                 global_page_state(NR_INACTIVE_FILE),
-#ifdef CONFIG_UNEVICTABLE_LRU
                 global_page_state(NR_UNEVICTABLE),
-#endif
                 global_page_state(NR_FILE_DIRTY),
                 global_page_state(NR_WRITEBACK),
                 global_page_state(NR_UNSTABLE_NFS),
@@ -2113,9 +2108,7 @@ void show_free_areas(void)
                         " inactive_anon:%lukB"
                         " active_file:%lukB"
                         " inactive_file:%lukB"
-#ifdef CONFIG_UNEVICTABLE_LRU
                         " unevictable:%lukB"
-#endif
                         " present:%lukB"
                         " pages_scanned:%lu"
                         " all_unreclaimable? %s"
@@ -2129,9 +2122,7 @@ void show_free_areas(void)
                         K(zone_page_state(zone, NR_INACTIVE_ANON)),
                         K(zone_page_state(zone, NR_ACTIVE_FILE)),
                         K(zone_page_state(zone, NR_INACTIVE_FILE)),
-#ifdef CONFIG_UNEVICTABLE_LRU
                         K(zone_page_state(zone, NR_UNEVICTABLE)),
-#endif
                         K(zone->present_pages),
                         zone->pages_scanned,
                         (zone_is_all_unreclaimable(zone) ? "yes" : "no")