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SubjectRe: [patch] drop_caches: add some documentation and info message
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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