Re: [PATCH] sysctl: Add a feature to drop caches selectively

[David Rientjes]

On Tue, 24 Jun 2014, Maksym Planeta wrote:

> To clean the page cache one can use /proc/sys/vm/drop_caches. But this
> drops the whole page cache. In contrast to that sdrop_caches enables
> ability to drop the page cache selectively by path string.
> 
> Suggested-by: Thomas Knauth <thomas.knauth@xxxxxx>
> Signed-off-by: Maksym Planeta <mcsim.planeta@xxxxxxxxx>

Could you include some information in the commit message about why this is 
useful?  Specifically, why you want to drop pagecache only from a specific 
path.

The name of the sysctl is also quite non-descriptive.
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