mm: kill page_queue_congested()
page_queue_congested() was introduced in 2002, but it was never used Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -1372,26 +1372,6 @@ out:
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return ret;
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}
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#if 0 /* We don't need this yet */
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#include <linux/backing-dev.h>
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int page_queue_congested(struct page *page)
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{
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struct backing_dev_info *bdi;
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VM_BUG_ON(!PageLocked(page)); /* It pins the swap_info_struct */
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if (PageSwapCache(page)) {
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swp_entry_t entry = { .val = page_private(page) };
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struct swap_info_struct *sis;
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sis = get_swap_info_struct(swp_type(entry));
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bdi = sis->bdev->bd_inode->i_mapping->backing_dev_info;
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} else
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bdi = page->mapping->backing_dev_info;
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return bdi_write_congested(bdi);
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}
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#endif
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asmlinkage long sys_swapoff(const char __user * specialfile)
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{
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struct swap_info_struct * p = NULL;
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