diff options
| author | James Morris <james.l.morris@oracle.com> | 2014-06-24 18:46:07 +1000 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-06-24 18:46:07 +1000 |
| commit | f01387d2693813eb5271a3448e6a082322c7d75d (patch) | |
| tree | b591ca73c85276bae53d7db57ff1565be45a29da /fs/drop_caches.c | |
| parent | 92953ff38ba59b4f7b1a54ab28b84be35fafaecc (diff) | |
| parent | 1860e379875dfe7271c649058aeddffe5afd9d0d (diff) | |
Merge commit 'v3.15' into next
Diffstat (limited to 'fs/drop_caches.c')
| -rw-r--r-- | fs/drop_caches.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/fs/drop_caches.c b/fs/drop_caches.c index 9fd702f5bfb2..9280202e488c 100644 --- a/fs/drop_caches.c +++ b/fs/drop_caches.c @@ -59,10 +59,22 @@ int drop_caches_sysctl_handler(ctl_table *table, int write, if (ret) return ret; if (write) { - if (sysctl_drop_caches & 1) + static int stfu; + + if (sysctl_drop_caches & 1) { iterate_supers(drop_pagecache_sb, NULL); - if (sysctl_drop_caches & 2) + count_vm_event(DROP_PAGECACHE); + } + if (sysctl_drop_caches & 2) { drop_slab(); + count_vm_event(DROP_SLAB); + } + if (!stfu) { + pr_info("%s (%d): drop_caches: %d\n", + current->comm, task_pid_nr(current), + sysctl_drop_caches); + } + stfu |= sysctl_drop_caches & 4; } return 0; } |