{
unsigned long flags;
int refcount;
+ void *shadow = NULL;
BUG_ON(!PageLocked(page));
BUG_ON(mapping != page_mapping(page));
if (PageSwapCache(page)) {
swp_entry_t swap = { .val = page_private(page) };
mem_cgroup_swapout(page, swap);
- __delete_from_swap_cache(page, swap);
+ if (reclaimed && !mapping_exiting(mapping))
+ shadow = workingset_eviction(page, target_memcg);
+ __delete_from_swap_cache(page, swap, shadow);
xa_unlock_irqrestore(&mapping->i_pages, flags);
put_swap_page(page, swap);
- workingset_eviction(page, target_memcg);
} else {
void (*freepage)(struct page *);
- void *shadow = NULL;
freepage = mapping->a_ops->freepage;
/*
return PAGEREF_RECLAIM;
if (referenced_ptes) {
- if (PageSwapBacked(page))
- return PAGEREF_ACTIVATE;
/*
* All mapped pages start out with page table
* references from the instantiating fault, so we need
/*
* Activate file-backed executable pages after first usage.
*/
- if (vm_flags & VM_EXEC)
+ if ((vm_flags & VM_EXEC) && !PageSwapBacked(page))
return PAGEREF_ACTIVATE;
return PAGEREF_KEEP;
case PAGE_ACTIVATE:
goto activate_locked;
case PAGE_SUCCESS:
- stat->nr_pageout += hpage_nr_pages(page);
+ stat->nr_pageout += thp_nr_pages(page);
if (PageWriteback(page))
goto keep;
SetPageLRU(page);
lru = page_lru(page);
- nr_pages = hpage_nr_pages(page);
+ nr_pages = thp_nr_pages(page);
update_lru_size(lruvec, lru, page_zonenum(page), nr_pages);
list_move(&page->lru, &lruvec->lists[lru]);
* so we ignore them here.
*/
if ((vm_flags & VM_EXEC) && page_is_file_lru(page)) {
- nr_rotated += hpage_nr_pages(page);
+ nr_rotated += thp_nr_pages(page);
list_add(&page->lru, &l_active);
continue;
}
if (!sc->force_deactivate) {
unsigned long refaults;
- if (inactive_is_low(target_lruvec, LRU_INACTIVE_ANON))
+ refaults = lruvec_page_state(target_lruvec,
+ WORKINGSET_ACTIVATE_ANON);
+ if (refaults != target_lruvec->refaults[0] ||
+ inactive_is_low(target_lruvec, LRU_INACTIVE_ANON))
sc->may_deactivate |= DEACTIVATE_ANON;
else
sc->may_deactivate &= ~DEACTIVATE_ANON;
* rid of any stale active pages quickly.
*/
refaults = lruvec_page_state(target_lruvec,
- WORKINGSET_ACTIVATE);
- if (refaults != target_lruvec->refaults ||
+ WORKINGSET_ACTIVATE_FILE);
+ if (refaults != target_lruvec->refaults[1] ||
inactive_is_low(target_lruvec, LRU_INACTIVE_FILE))
sc->may_deactivate |= DEACTIVATE_FILE;
else
set_bit(PGDAT_DIRTY, &pgdat->flags);
/*
- * If kswapd scans pages marked marked for immediate
+ * If kswapd scans pages marked for immediate
* reclaim and under writeback (nr_immediate), it
* implies that pages are cycling through the LRU
* faster than they are written so also forcibly stall.
unsigned long refaults;
target_lruvec = mem_cgroup_lruvec(target_memcg, pgdat);
- refaults = lruvec_page_state(target_lruvec, WORKINGSET_ACTIVATE);
- target_lruvec->refaults = refaults;
+ refaults = lruvec_page_state(target_lruvec, WORKINGSET_ACTIVATE_ANON);
+ target_lruvec->refaults[0] = refaults;
+ refaults = lruvec_page_state(target_lruvec, WORKINGSET_ACTIVATE_FILE);
+ target_lruvec->refaults[1] = refaults;
}
/*
/*
* Check for watermark boosts top-down as the higher zones
* are more likely to be boosted. Both watermarks and boosts
- * should not be checked at the time time as reclaim would
+ * should not be checked at the same time as reclaim would
* start prematurely when there is no boosting and a lower
* zone is balanced.
*/