Re: [Patch] Add tmpfs options for memory placement policies (Resendwith corrected addresses).

From: Andrew Morton
Date: Fri Jan 13 2006 - 15:22:46 EST


Robin Holt <holt@xxxxxxx> wrote:
>
> This patch introduces a tmpfs mount option which allows specifying a
> memory policy and a second option to specify the nodelist for that policy.
> With the default policy, tmpfs will behave as it does today. This patch
> adds support for preferred, bind, and interleave policies.
>
> The default policy will cause pages to be added to tmpfs files on the
> node which is doing the writing. Some jobs expect a single process to
> create and manage the tmpfs files. This results in a node which has a
> significantly reduced number of free pages.
>
> With this patch, the administrator can specify the policy and nodes for
> that policy where they would prefer allocations.

Confused. Is this for applications which cannot be taught to use the
mempolicy API?
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