Re: [RFC PATCH] ipc, mqueue: lazy call kern_mount_data in new namespaces

[Giuseppe Scrivano]

Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> writes:

> OK, but this simply moves the expense so it happens later on.  Why is
> that better?

the optimization is for new IPC namespaces that don't use mq_open.  In
this case there won't be any kern_mount_data cost at all.

Regards,
Giuseppe