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Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f1fd388454bd..cfd2651966a8 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -987,7 +987,7 @@ static unsigned long shrink_page_list(struct list_head *page_list,
sc->nr_scanned++;
if (unlikely(!page_evictable(page)))
- goto cull_mlocked;
+ goto activate_locked;
if (!sc->may_unmap && page_mapped(page))
goto keep_locked;
@@ -1152,8 +1152,6 @@ static unsigned long shrink_page_list(struct list_head *page_list,
goto activate_locked;
case SWAP_AGAIN:
goto keep_locked;
- case SWAP_MLOCK:
- goto cull_mlocked;
case SWAP_SUCCESS:
; /* try to free the page below */
}
@@ -1295,20 +1293,16 @@ free_it:
list_add(&page->lru, &free_pages);
continue;
-cull_mlocked:
- if (PageSwapCache(page))
- try_to_free_swap(page);
- unlock_page(page);
- list_add(&page->lru, &ret_pages);
- continue;
-
activate_locked:
/* Not a candidate for swapping, so reclaim swap space. */
- if (PageSwapCache(page) && mem_cgroup_swap_full(page))
+ if (PageSwapCache(page) && (mem_cgroup_swap_full(page) ||
+ PageMlocked(page)))
try_to_free_swap(page);
VM_BUG_ON_PAGE(PageActive(page), page);
- SetPageActive(page);
- pgactivate++;
+ if (!PageMlocked(page)) {
+ SetPageActive(page);
+ pgactivate++;
+ }
keep_locked:
unlock_page(page);
keep: