diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index db023e2ff38..1c8e75a1cfc 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -284,12 +284,8 @@ static void handle_write_error(struct address_space *mapping, struct page *page, int error) { lock_page(page); - if (page_mapping(page) == mapping) { - if (error == -ENOSPC) - set_bit(AS_ENOSPC, &mapping->flags); - else - set_bit(AS_EIO, &mapping->flags); - } + if (page_mapping(page) == mapping) + mapping_set_error(mapping, error); unlock_page(page); } @@ -1323,8 +1319,6 @@ static int kswapd(void *p) for ( ; ; ) { unsigned long new_order; - try_to_freeze(); - prepare_to_wait(&pgdat->kswapd_wait, &wait, TASK_INTERRUPTIBLE); new_order = pgdat->kswapd_max_order; pgdat->kswapd_max_order = 0; @@ -1335,12 +1329,19 @@ static int kswapd(void *p) */ order = new_order; } else { - schedule(); + if (!freezing(current)) + schedule(); + order = pgdat->kswapd_max_order; } finish_wait(&pgdat->kswapd_wait, &wait); - balance_pgdat(pgdat, order); + if (!try_to_freeze()) { + /* We can speed up thawing tasks if we don't call + * balance_pgdat after returning from the refrigerator + */ + balance_pgdat(pgdat, order); + } } return 0; } |