quoted

--- a/fs/drop_caches.c
+++ b/fs/drop_caches.c

@@ -59,6 +59,8 @@ int drop_caches_sysctl_handler(ctl_table *table, int write,
 	if (ret)
 		return ret;
 	if (write) {
+		printk(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)

How about we do

	if (!(sysctl_drop_caches & 4))
		printk(....)

so people can turn it off if it's causing problems?

The best interface depends on the purpose. If you want to detect crazy application,
we can't assume an application co-operate us. So, I doubt this works.

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>