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authorDavid S. Miller <davem@davemloft.net>2010-04-13 00:28:45 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-13 00:28:45 -0700
commit9343af084c7e8911897b0883042ee690cee3aaef (patch)
tree6211a4bdc84690bec6530d27a3abb19f5e8bb8f3 /mm/vmscan.c
parente182c77cc291456eed127b1472952ddb59a81a9d (diff)
parent0d0fb0f9c5fddef4a10242fe3337f00f528a3099 (diff)
downloadop-kernel-dev-9343af084c7e8911897b0883042ee690cee3aaef.zip
op-kernel-dev-9343af084c7e8911897b0883042ee690cee3aaef.tar.gz
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: lib/Kconfig.debug
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r--mm/vmscan.c25
1 files changed, 10 insertions, 15 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c
index 79c8098..3ff3311 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -13,7 +13,7 @@
#include <linux/mm.h>
#include <linux/module.h>
-#include <linux/slab.h>
+#include <linux/gfp.h>
#include <linux/kernel_stat.h>
#include <linux/swap.h>
#include <linux/pagemap.h>
@@ -1535,13 +1535,6 @@ static void get_scan_ratio(struct zone *zone, struct scan_control *sc,
unsigned long ap, fp;
struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(zone, sc);
- /* If we have no swap space, do not bother scanning anon pages. */
- if (!sc->may_swap || (nr_swap_pages <= 0)) {
- percent[0] = 0;
- percent[1] = 100;
- return;
- }
-
anon = zone_nr_lru_pages(zone, sc, LRU_ACTIVE_ANON) +
zone_nr_lru_pages(zone, sc, LRU_INACTIVE_ANON);
file = zone_nr_lru_pages(zone, sc, LRU_ACTIVE_FILE) +
@@ -1639,20 +1632,22 @@ static void shrink_zone(int priority, struct zone *zone,
unsigned long nr_reclaimed = sc->nr_reclaimed;
unsigned long nr_to_reclaim = sc->nr_to_reclaim;
struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(zone, sc);
+ int noswap = 0;
- get_scan_ratio(zone, sc, percent);
+ /* If we have no swap space, do not bother scanning anon pages. */
+ if (!sc->may_swap || (nr_swap_pages <= 0)) {
+ noswap = 1;
+ percent[0] = 0;
+ percent[1] = 100;
+ } else
+ get_scan_ratio(zone, sc, percent);
for_each_evictable_lru(l) {
int file = is_file_lru(l);
unsigned long scan;
- if (percent[file] == 0) {
- nr[l] = 0;
- continue;
- }
-
scan = zone_nr_lru_pages(zone, sc, l);
- if (priority) {
+ if (priority || noswap) {
scan >>= priority;
scan = (scan * percent[file]) / 100;
}
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