Messages in this thread | | | Date | Fri, 21 Oct 2005 08:47:42 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [PATCH 4/4] Swap migration V3: sys_migrate_pages interface |
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On Fri, 21 Oct 2005, Paul Jackson wrote:
> * Christoph - what is the permissions check on sys_migrate_pages()? > It would seem inappropriate for 'guest' to be able to move the > memory of 'root'.
The check is missing.
Maybe we could add:
if (!capable(CAP_SYS_RESOURCE)) return -EPERM;
Then we may also decide that root can move any process anywhere and drop the retrieval of the mems_allowed from the other task.
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