node_memory: Improve the docs

To declare that it's not recommended to use the tuning API while
the outside tuning program (such as ksmtuned under Linux) is running.
This commit is contained in:
Osier Yang 2012-09-24 23:08:31 +08:00
parent d165c54d86
commit bb1457012d

View File

@ -6794,6 +6794,12 @@ error:
* @flags: extra flags; not used yet, so callers should always pass 0
*
* Change all or a subset of the node memory tunables.
*
* Note that it's not recommended to use this function while the
* outside tuning program is running (such as ksmtuned under Linux),
* as they could change the tunables in parallel, which could cause
* conflicts.
*
* This function may require privileged access to the hypervisor.
*
* Returns 0 in case of success, -1 in case of failure.