Re: [PATCH] cgroups: forbid noprefix if mounting more than just cpuset subsystem
From: Paul Menage
Date: Tue Jun 02 2009 - 03:59:43 EST
On Mon, Jun 1, 2009 at 7:40 PM, Li Zefan <lizf@xxxxxxxxxxxxxx> wrote:
>
> We don't want users to use nopreifx, and also want to avoid name
> collision, so we change to allow noprefix only if mounting just
> the cpuset subsystem.
>
> Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
> ---
> kernel/cgroup.c | 10 ++++++++++
> 1 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/kernel/cgroup.c b/kernel/cgroup.c
> index a7267bf..ad17f9d 100644
> --- a/kernel/cgroup.c
> +++ b/kernel/cgroup.c
> @@ -842,6 +842,11 @@ static int parse_cgroupfs_options(char *data,
> struct cgroup_sb_opts *opts)
> {
> char *token, *o = data ?: "all";
> + unsigned long mask = (unsigned long)-1;
Patch looks good, but to make it more self-explanatory how about
calling this variable noprefix_conflict_mask ?
Paul
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