Re: [PATCH] kernel: sysctl: make drop_caches write-only

[Chris Down]

Johannes Weiner writes:
> Currently, the drop_caches proc file and sysctl read back the last
> value written, suggesting this is somehow a stateful setting instead
> of a one-time command. Make it write-only, like e.g. compact_memory.
>
> Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>

Since we already have the kmsg notifier when it's used, this seems reasonable 
to me.

Acked-by: Chris Down <chris@xxxxxxxxxxxxxx>