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mm: remove CONFIG_UNEVICTABLE_LRU config option

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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>
This commit is contained in:
KOSAKI Motohiro
2009-06-16 15:32:51 -07:00
committed by Linus Torvalds
parent bce7394a3e
commit 6837765963
17 changed files with 3 additions and 153 deletions
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17
mm/vmscan.c
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@ -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