Re: -mm merge plans for 2.6.23

[Andrew Morton <akpm@linux-foundation.org>]

On Thu, 26 Jul 2007 11:20:25 +0200 Ingo Molnar <mingo@elte.hu> wrote:

> Once we give the kernel the knowledge that the dentry wont be used again 
> by this app, the kernel can do a lot more intelligent decision and not 
> baloon the dentry cache.
> 
> ( we _do_ want to baloon the dentry cache otherwise - for things like 
>   "find" - having a fast VFS is important. But known-use-once things 
>   like the daily updatedb job can clearly be annotated properly. )

Mutter.  /proc/sys/vm/vfs_cache_pressure has been there for what, three
years?  Are any distros raising it during the updatedb run yet?
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