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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 /mm/vmscan.c
parentbce7394a3ef82b8477952fbab838e4a6e8cb47d2 (diff)
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 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 879d034930c..2c4b945b011 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -514,7 +514,6 @@ int remove_mapping(struct address_space *mapping, struct page *page)
*
* lru_lock must not be held, interrupts must be enabled.
*/
-#ifdef CONFIG_UNEVICTABLE_LRU
void putback_lru_page(struct page *page)
{
int lru;
@@ -568,20 +567,6 @@ redo:
put_page(page); /* drop ref from isolate */
}
-#else /* CONFIG_UNEVICTABLE_LRU */
-
-void putback_lru_page(struct page *page)
-{
- int lru;
- VM_BUG_ON(PageLRU(page));
-
- lru = !!TestClearPageActive(page) + page_is_file_cache(page);
- lru_cache_add_lru(page, lru);
- put_page(page);
-}
-#endif /* CONFIG_UNEVICTABLE_LRU */
-
-
/*
* shrink_page_list() returns the number of reclaimed pages
*/
@@ -2470,7 +2455,6 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
}
#endif
-#ifdef CONFIG_UNEVICTABLE_LRU
/*
* page_evictable - test whether a page is evictable
* @page: the page to test
@@ -2717,4 +2701,3 @@ void scan_unevictable_unregister_node(struct node *node)
sysdev_remove_file(&node->sysdev, &attr_scan_unevictable_pages);
}
-#endif