On 02/07/2014 12:40 PM, Johannes Weiner wrote:
@@ -59,6 +60,9 @@ int drop_caches_sysctl_handler(ctl_table *table, int write,
if (ret)
return ret;
if (write) {
+ printk_ratelimited(KERN_INFO "%s (%d): dropped kernel caches: %d\n",
+ current->comm, task_pid_nr(current),
+ sysctl_drop_caches);
if (sysctl_drop_caches & 1)
iterate_supers(drop_pagecache_sb, NULL);
if (sysctl_drop_caches & 2)
Would it be better to print this after the operation
has completed?
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