Messages in this thread Patch in this message | | | From | KOSAKI Motohiro <> | Subject | [PATCH] mm: kill page_queue_congested() | Date | Wed, 17 Dec 2008 20:27:30 +0900 (JST) |
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== Subject: [PATCH] mm: kill page_queue_congested()
page_queue_congested() was introduced at 2002. but it is unused until now at all.
it can be removed.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> --- mm/swapfile.c | 20 -------------------- 1 file changed, 20 deletions(-)
Index: b/mm/swapfile.c =================================================================== --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1203,26 +1203,6 @@ out: return ret; } -#if 0 /* We don't need this yet */ -#include <linux/backing-dev.h> -int page_queue_congested(struct page *page) -{ - struct backing_dev_info *bdi; - - BUG_ON(!PageLocked(page)); /* It pins the swap_info_struct */ - - if (PageSwapCache(page)) { - swp_entry_t entry = { .val = page_private(page) }; - struct swap_info_struct *sis; - - sis = get_swap_info_struct(swp_type(entry)); - bdi = sis->bdev->bd_inode->i_mapping->backing_dev_info; - } else - bdi = page->mapping->backing_dev_info; - return bdi_write_congested(bdi); -} -#endif - asmlinkage long sys_swapoff(const char __user * specialfile) { struct swap_info_struct * p = NULL;
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