swap.c (bc49a7831b1137ce1c2dda1c57e3631655f5d2ae) swap.c (c55e8d035b28b2867e68b0e2d0eee2c0f1016b43)
1/*
2 * linux/mm/swap.c
3 *
4 * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
5 */
6
7/*
8 * This file contains the default values for the operation of the

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204 pagevec_reinit(pvec);
205}
206
207static void pagevec_move_tail_fn(struct page *page, struct lruvec *lruvec,
208 void *arg)
209{
210 int *pgmoved = arg;
211
1/*
2 * linux/mm/swap.c
3 *
4 * Copyright (C) 1991, 1992, 1993, 1994 Linus Torvalds
5 */
6
7/*
8 * This file contains the default values for the operation of the

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204 pagevec_reinit(pvec);
205}
206
207static void pagevec_move_tail_fn(struct page *page, struct lruvec *lruvec,
208 void *arg)
209{
210 int *pgmoved = arg;
211
212 if (PageLRU(page) && !PageActive(page) && !PageUnevictable(page)) {
213 enum lru_list lru = page_lru_base_type(page);
214 list_move_tail(&page->lru, &lruvec->lists[lru]);
212 if (PageLRU(page) && !PageUnevictable(page)) {
213 del_page_from_lru_list(page, lruvec, page_lru(page));
214 ClearPageActive(page);
215 add_page_to_lru_list_tail(page, lruvec, page_lru(page));
215 (*pgmoved)++;
216 }
217}
218
219/*
220 * pagevec_move_tail() must be called with IRQ disabled.
221 * Otherwise this may cause nasty races.
222 */

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230
231/*
232 * Writeback is about to end against a page which has been marked for immediate
233 * reclaim. If it still appears to be reclaimable, move it to the tail of the
234 * inactive list.
235 */
236void rotate_reclaimable_page(struct page *page)
237{
216 (*pgmoved)++;
217 }
218}
219
220/*
221 * pagevec_move_tail() must be called with IRQ disabled.
222 * Otherwise this may cause nasty races.
223 */

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231
232/*
233 * Writeback is about to end against a page which has been marked for immediate
234 * reclaim. If it still appears to be reclaimable, move it to the tail of the
235 * inactive list.
236 */
237void rotate_reclaimable_page(struct page *page)
238{
238 if (!PageLocked(page) && !PageDirty(page) && !PageActive(page) &&
239 if (!PageLocked(page) && !PageDirty(page) &&
239 !PageUnevictable(page) && PageLRU(page)) {
240 struct pagevec *pvec;
241 unsigned long flags;
242
243 get_page(page);
244 local_irq_save(flags);
245 pvec = this_cpu_ptr(&lru_rotate_pvecs);
246 if (!pagevec_add(pvec, page) || PageCompound(page))

--- 738 unchanged lines hidden --- 		240 !PageUnevictable(page) && PageLRU(page)) {
241 struct pagevec *pvec;
242 unsigned long flags;
243
244 get_page(page);
245 local_irq_save(flags);
246 pvec = this_cpu_ptr(&lru_rotate_pvecs);
247 if (!pagevec_add(pvec, page) || PageCompound(page))

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