diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 987be819fad6..27ef5769b9e4 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -949,29 +949,14 @@ keep: * * returns 0 on success, -ve errno on failure. */ -int __isolate_lru_page(struct page *page, isolate_mode_t mode, int file) +int __isolate_lru_page(struct page *page, isolate_mode_t mode) { - bool all_lru_mode; int ret = -EINVAL; /* Only take pages on the LRU. */ if (!PageLRU(page)) return ret; - all_lru_mode = (mode & (ISOLATE_ACTIVE|ISOLATE_INACTIVE)) == - (ISOLATE_ACTIVE|ISOLATE_INACTIVE); - - /* - * When checking the active state, we need to be sure we are - * dealing with comparible boolean values. Take the logical not - * of each. - */ - if (!all_lru_mode && !PageActive(page) != !(mode & ISOLATE_ACTIVE)) - return ret; - - if (!all_lru_mode && !!page_is_file_cache(page) != file) - return ret; - /* Do not give back unevictable pages for compaction */ if (PageUnevictable(page)) return ret; @@ -1070,7 +1055,7 @@ static unsigned long isolate_lru_pages(unsigned long nr_to_scan, VM_BUG_ON(!PageLRU(page)); - switch (__isolate_lru_page(page, mode, file)) { + switch (__isolate_lru_page(page, mode)) { case 0: mem_cgroup_lru_del(page); list_move(&page->lru, dst); @@ -1282,7 +1267,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct mem_cgroup_zone *mz, unsigned long nr_file; unsigned long nr_dirty = 0; unsigned long nr_writeback = 0; - isolate_mode_t isolate_mode = ISOLATE_INACTIVE; + isolate_mode_t isolate_mode = 0; int file = is_file_lru(lru); struct zone *zone = mz->zone; struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(mz); @@ -1452,7 +1437,7 @@ static void shrink_active_list(unsigned long nr_to_scan, struct page *page; struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(mz); unsigned long nr_rotated = 0; - isolate_mode_t isolate_mode = ISOLATE_ACTIVE; + isolate_mode_t isolate_mode = 0; int file = is_file_lru(lru); struct zone *zone = mz->zone; |