Re: [PATCH 2/3] SELinux: add security_task_setmempolicy hooks to mmcode

[Christoph Lameter]

On Wed, 21 Jun 2006, James Morris wrote:

> From: David Quigley <dpquigl@xxxxxxxxxxxxx>
> 
> This patch inserts the security hook calls into the setmempolicy function 
> to enable security modules to mediate this operation between tasks.

Setting a memory policy is different from migrating pages of an 
application. The migration function migrates a process, it does not set 
any memory policies. Cpuset may change memory policies of the tasks 
contained in it but sys_migrate_pages() cannot.

We need a similar hook for the sys_move_pages() function call in mm right?

If this is a generic hook then I would suggest to have some hook that 
contains the term "memory placement" somewhere that would fit both system 
calls.


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