diff options
Diffstat (limited to 'include/linux/mmzone.h')
| -rw-r--r-- | include/linux/mmzone.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index d6120fa69116..543f9e411563 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -46,6 +46,9 @@ struct zone_padding { #define ZONE_PADDING(name) #endif +enum zone_stat_item { + NR_VM_ZONE_STAT_ITEMS }; + struct per_cpu_pages { int count; /* number of pages in the list */ int high; /* high watermark, emptying needed */ @@ -55,6 +58,10 @@ struct per_cpu_pages { struct per_cpu_pageset { struct per_cpu_pages pcp[2]; /* 0: hot. 1: cold */ +#ifdef CONFIG_SMP + s8 vm_stat_diff[NR_VM_ZONE_STAT_ITEMS]; +#endif + #ifdef CONFIG_NUMA unsigned long numa_hit; /* allocated in intended node */ unsigned long numa_miss; /* allocated in non intended node */ @@ -165,6 +172,8 @@ struct zone { /* A count of how many reclaimers are scanning this zone */ atomic_t reclaim_in_progress; + /* Zone statistics */ + atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; /* * timestamp (in jiffies) of the last zone reclaim that did not * result in freeing of pages. This is used to avoid repeated scans |