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authorKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>2009-06-16 15:32:51 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 19:47:42 -0700
commit6837765963f1723e80ca97b1fae660f3a60d77df (patch)
treea9a6ed4b7e3bf188966da78b04bf39298f24375a /include/linux/mmzone.h
parentbce7394a3ef82b8477952fbab838e4a6e8cb47d2 (diff)
downloadlwn-6837765963f1723e80ca97b1fae660f3a60d77df.tar.gz
lwn-6837765963f1723e80ca97b1fae660f3a60d77df.zip
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>
Diffstat (limited to 'include/linux/mmzone.h')
-rw-r--r--include/linux/mmzone.h13
1 files changed, 0 insertions, 13 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index db976b9f8791..889598537370 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -83,13 +83,8 @@ enum zone_stat_item {
NR_ACTIVE_ANON, /* " " " " " */
NR_INACTIVE_FILE, /* " " " " " */
NR_ACTIVE_FILE, /* " " " " " */
-#ifdef CONFIG_UNEVICTABLE_LRU
NR_UNEVICTABLE, /* " " " " " */
NR_MLOCK, /* mlock()ed pages found and moved off LRU */
-#else
- NR_UNEVICTABLE = NR_ACTIVE_FILE, /* avoid compiler errors in dead code */
- NR_MLOCK = NR_ACTIVE_FILE,
-#endif
NR_ANON_PAGES, /* Mapped anonymous pages */
NR_FILE_MAPPED, /* pagecache pages mapped into pagetables.
only modified from process context */
@@ -132,11 +127,7 @@ enum lru_list {
LRU_ACTIVE_ANON = LRU_BASE + LRU_ACTIVE,
LRU_INACTIVE_FILE = LRU_BASE + LRU_FILE,
LRU_ACTIVE_FILE = LRU_BASE + LRU_FILE + LRU_ACTIVE,
-#ifdef CONFIG_UNEVICTABLE_LRU
LRU_UNEVICTABLE,
-#else
- LRU_UNEVICTABLE = LRU_ACTIVE_FILE, /* avoid compiler errors in dead code */
-#endif
NR_LRU_LISTS
};
@@ -156,11 +147,7 @@ static inline int is_active_lru(enum lru_list l)
static inline int is_unevictable_lru(enum lru_list l)
{
-#ifdef CONFIG_UNEVICTABLE_LRU
return (l == LRU_UNEVICTABLE);
-#else
- return 0;
-#endif
}
enum zone_watermarks {