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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-11-02 16:58:49 +0300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-11-02 16:58:49 +0300
commit9e3be1edbe5ca57df51140b523168237b3a01f4d (patch)
treea72c0ec1ce0fbcdcd12ecb6aad9bedcc94b94f9d /include/linux/mmzone.h
parent473f89fff76568a9f30c53b458e6323d48b0ab95 (diff)
parent29c798fecb9b846b363b0a02fa662ff42fc19426 (diff)
downloadlinux-9e3be1edbe5ca57df51140b523168237b3a01f4d.tar.xz
Merge branch 'for-2.6.37' into HEAD
WARN() fix from Joe moved. Conflicts: sound/soc/codecs/wm_hubs.c
Diffstat (limited to 'include/linux/mmzone.h')
-rw-r--r--include/linux/mmzone.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 3984c4eb41fd..39c24ebe9cfd 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -104,6 +104,8 @@ enum zone_stat_item {
NR_ISOLATED_ANON, /* Temporary isolated pages from anon lru */
NR_ISOLATED_FILE, /* Temporary isolated pages from file lru */
NR_SHMEM, /* shmem pages (included tmpfs/GEM pages) */
+ NR_DIRTIED, /* page dirtyings since bootup */
+ NR_WRITTEN, /* page writings since bootup */
#ifdef CONFIG_NUMA
NUMA_HIT, /* allocated in intended node */
NUMA_MISS, /* allocated in non intended node */
@@ -421,6 +423,9 @@ struct zone {
typedef enum {
ZONE_RECLAIM_LOCKED, /* prevents concurrent reclaim */
ZONE_OOM_LOCKED, /* zone is in OOM killer zonelist */
+ ZONE_CONGESTED, /* zone has many dirty pages backed by
+ * a congested BDI
+ */
} zone_flags_t;
static inline void zone_set_flag(struct zone *zone, zone_flags_t flag)
@@ -438,6 +443,11 @@ static inline void zone_clear_flag(struct zone *zone, zone_flags_t flag)
clear_bit(flag, &zone->flags);
}
+static inline int zone_is_reclaim_congested(const struct zone *zone)
+{
+ return test_bit(ZONE_CONGESTED, &zone->flags);
+}
+
static inline int zone_is_reclaim_locked(const struct zone *zone)
{
return test_bit(ZONE_RECLAIM_LOCKED, &zone->flags);