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[PATCH] mm: remove find_trylock_page

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Remove find_trylock_page as per the removal schedule.

Signed-off-by: Nick Piggin <npiggin@suse.de>
[ Let's see if anybody screams ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nick Piggin 2007-02-09 05:28:19 +01:00 • committed by Linus Torvalds
parent f049274b01
commit 62045305c2
3 changed files with 0 additions and 34 deletions
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20
mm/filemap.c
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@ -605,26 +605,6 @@ struct page * find_get_page(struct address_space *mapping, unsigned long offset)
}
EXPORT_SYMBOL(find_get_page);
/**
* find_trylock_page - find and lock a page
* @mapping: the address_space to search
* @offset: the page index
*
* Same as find_get_page(), but trylock it instead of incrementing the count.
*/
struct page *find_trylock_page(struct address_space *mapping, unsigned long offset)
{
struct page *page;
read_lock_irq(&mapping->tree_lock);
page = radix_tree_lookup(&mapping->page_tree, offset);
if (page && TestSetPageLocked(page))
page = NULL;
read_unlock_irq(&mapping->tree_lock);
return page;
}
EXPORT_SYMBOL(find_trylock_page);
/**
* find_lock_page - locate, pin and lock a pagecache page
* @mapping: the address_space to search