vmscan: count the number of times zone_reclaim() scans and fails

[sfrench/cifs-2.6.git] / include / linux / vmstat.h

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 9cd3ab0f554d301224f518391b47fdd1752fc33d..81a97cf8f0a0845a102a1200dc316aa32a47920f 100644 (file)
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -36,12 +36,14 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                FOR_ALL_ZONES(PGSTEAL),
                FOR_ALL_ZONES(PGSCAN_KSWAPD),
                FOR_ALL_ZONES(PGSCAN_DIRECT),
+#ifdef CONFIG_NUMA
+               PGSCAN_ZONE_RECLAIM_FAILED,
+#endif
                PGINODESTEAL, SLABS_SCANNED, KSWAPD_STEAL, KSWAPD_INODESTEAL,
                PAGEOUTRUN, ALLOCSTALL, PGROTATED,
 #ifdef CONFIG_HUGETLB_PAGE
                HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL,
 #endif
-#ifdef CONFIG_UNEVICTABLE_LRU
                UNEVICTABLE_PGCULLED,   /* culled to noreclaim list */
                UNEVICTABLE_PGSCANNED,  /* scanned for reclaimability */
                UNEVICTABLE_PGRESCUED,  /* rescued from noreclaim list */
@@ -50,14 +52,9 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                UNEVICTABLE_PGCLEARED,  /* on COW, page truncate */
                UNEVICTABLE_PGSTRANDED, /* unable to isolate on unlock */
                UNEVICTABLE_MLOCKFREED,
-#endif
                NR_VM_EVENT_ITEMS
 };
 
-extern const struct seq_operations fragmentation_op;
-extern const struct seq_operations pagetypeinfo_op;
-extern const struct seq_operations zoneinfo_op;
-extern const struct seq_operations vmstat_op;
 extern int sysctl_stat_interval;
 
 #ifdef CONFIG_VM_EVENT_COUNTERS