Re: computing drop-able caches

[Dave Hansen]

On 01/28/2016 03:42 PM, Daniel Walker wrote:
> My colleague Khalid and I are working on a patch which will provide a
> /proc file to output the size of the drop-able page cache.
> One way to implement this is to use the current drop_caches /proc
> routine, but instead of actually droping the caches just add
> up the amount.

Code, please.