redo:
ClearPageUnevictable(page);
- if (page_evictable(page, NULL)) {
+ if (page_evictable(page)) {
/*
* For evictable pages, we can use the cache.
* In event of a race, worst case is we end up with an
* page is on unevictable list, it never be freed. To avoid that,
* check after we added it to the list, again.
*/
- if (lru == LRU_UNEVICTABLE && page_evictable(page, NULL)) {
+ if (lru == LRU_UNEVICTABLE && page_evictable(page)) {
if (!isolate_lru_page(page)) {
put_page(page);
goto redo;
sc->nr_scanned++;
- if (unlikely(!page_evictable(page, NULL)))
+ if (unlikely(!page_evictable(page)))
goto cull_mlocked;
if (!sc->may_unmap && page_mapped(page))
VM_BUG_ON(PageLRU(page));
list_del(&page->lru);
- if (unlikely(!page_evictable(page, NULL))) {
+ if (unlikely(!page_evictable(page))) {
spin_unlock_irq(&zone->lru_lock);
putback_lru_page(page);
spin_lock_irq(&zone->lru_lock);
page = lru_to_page(&l_hold);
list_del(&page->lru);
- if (unlikely(!page_evictable(page, NULL))) {
+ if (unlikely(!page_evictable(page))) {
putback_lru_page(page);
continue;
}
/*
* page_evictable - test whether a page is evictable
* @page: the page to test
- * @vma: the VMA in which the page is or will be mapped, may be NULL
*
* Test whether page is evictable--i.e., should be placed on active/inactive
- * lists vs unevictable list. The vma argument is !NULL when called from the
- * fault path to determine how to instantate a new page.
+ * lists vs unevictable list.
*
* Reasons page might not be evictable:
* (1) page's mapping marked unevictable
* (2) page is part of an mlocked VMA
*
*/
-int page_evictable(struct page *page, struct vm_area_struct *vma)
+int page_evictable(struct page *page)
{
-
- if (mapping_unevictable(page_mapping(page)))
- return 0;
-
- if (PageMlocked(page) || (vma && mlocked_vma_newpage(vma, page)))
- return 0;
-
- return 1;
+ return !mapping_unevictable(page_mapping(page)) && !PageMlocked(page);
}
#ifdef CONFIG_SHMEM
if (!PageLRU(page) || !PageUnevictable(page))
continue;
- if (page_evictable(page, NULL)) {
+ if (page_evictable(page)) {
enum lru_list lru = page_lru_base_type(page);
VM_BUG_ON(PageActive(page));