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>

2 files changed, 0 insertions, 6 deletions

diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c
index c6b0302af4c4..d5c410d47fae 100644
--- a/fs/proc/meminfo.c
+++ b/fs/proc/meminfo.c
@@ -64,10 +64,8 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
                 "Inactive(anon): %8lu kB\n"
                 "Active(file):   %8lu kB\n"
                 "Inactive(file): %8lu kB\n"
-#ifdef CONFIG_UNEVICTABLE_LRU
                 "Unevictable:    %8lu kB\n"
                 "Mlocked:        %8lu kB\n"
-#endif
 #ifdef CONFIG_HIGHMEM
                 "HighTotal:      %8lu kB\n"
                 "HighFree:       %8lu kB\n"
@@ -109,10 +107,8 @@ static int meminfo_proc_show(struct seq_file *m, void *v)
                 K(pages[LRU_INACTIVE_ANON]),
                 K(pages[LRU_ACTIVE_FILE]),
                 K(pages[LRU_INACTIVE_FILE]),
-#ifdef CONFIG_UNEVICTABLE_LRU
                 K(pages[LRU_UNEVICTABLE]),
                 K(global_page_state(NR_MLOCK)),
-#endif
 #ifdef CONFIG_HIGHMEM
                 K(i.totalhigh),
                 K(i.freehigh),
diff --git a/fs/proc/page.c b/fs/proc/page.c
index 9d926bd279a4..2707c6c7a20f 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -172,10 +172,8 @@ static u64 get_uflags(struct page *page)
         u |= kpf_copy_bit(k, KPF_SWAPCACHE,     PG_swapcache);
         u |= kpf_copy_bit(k, KPF_SWAPBACKED,    PG_swapbacked);
 
-#ifdef CONFIG_UNEVICTABLE_LRU
         u |= kpf_copy_bit(k, KPF_UNEVICTABLE,   PG_unevictable);
         u |= kpf_copy_bit(k, KPF_MLOCKED,       PG_mlocked);
-#endif
 
 #ifdef CONFIG_IA64_UNCACHED_ALLOCATOR
         u |= kpf_copy_bit(k, KPF_UNCACHED,      PG_uncached);