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Commit 084f71ae authored by KOSAKI Motohiro's avatar KOSAKI Motohiro Committed by Linus Torvalds
Browse files

mm: kill page_queue_congested() 



page_queue_congested() was introduced in 2002, but it was never used

Signed-off-by: default avatarKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 9f572e3f

mm/swapfile.c

+0 −20
Original line number Diff line number Diff line
@@ -1372,26 +1372,6 @@ static int setup_swap_extents(struct swap_info_struct *sis, sector_t *span) 
	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;



	VM_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;