drop_caches: add some documentation and info message

[deliverable/linux.git] / include / linux / vm_event_item.h

diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h
index 3a712e2e7d762f479fc91377f1e37a9186172dc9..486c3972c0be2c698afd06d7ee0dcdb833aa21ff 100644 (file)
--- a/include/linux/vm_event_item.h
+++ b/include/linux/vm_event_item.h
@@ -37,6 +37,7 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT,
                PGINODESTEAL, SLABS_SCANNED, KSWAPD_INODESTEAL,
                KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY,
                PAGEOUTRUN, ALLOCSTALL, PGROTATED,
+               DROP_PAGECACHE, DROP_SLAB,
 #ifdef CONFIG_NUMA_BALANCING
                NUMA_PTE_UPDATES,
                NUMA_HUGE_PTE_UPDATES,