diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2010-12-09 18:17:25 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2010-12-09 18:17:25 +0100 |
| commit | d834a9dcecae834cd6b2bc5e50e1907738d9cf6a (patch) | |
| tree | 0589d753465d3fe359ba451ba6cb7798df03aaa2 /include/linux/mmzone.h | |
| parent | a38c5380ef9f088be9f49b6e4c5d80af8b1b5cd4 (diff) | |
| parent | f658bcfb2607bf0808966a69cf74135ce98e5c2d (diff) | |
Merge branch 'x86/amd-nb' into x86/apic-cleanups
Reason: apic cleanup series depends on x86/apic, x86/amd-nb x86/platform
Conflicts:
arch/x86/include/asm/io_apic.h
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 10 |
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); |