Messages in this thread |  | | Date | Mon, 7 Apr 2008 19:55:49 -0700 | From | Andrew Morton <> | Subject | Re: [-mm] Add an owner to the mm_struct (v8) |
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On Tue, 08 Apr 2008 08:09:57 +0530 Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
> Andrew Morton wrote: > > On Fri, 04 Apr 2008 13:35:44 +0530 > > Balbir Singh <balbir@linux.vnet.ibm.com> wrote: > > > >> 1. Add mm->owner change callbacks using cgroups > >> > >> ... > >> > >> +config MM_OWNER > >> + bool "Enable ownership of mm structure" > >> + help > >> + This option enables mm_struct's to have an owner. The advantage > >> + of this approach is that it allows for several independent memory > >> + based cgroup controllers to co-exist independently without too > >> + much space overhead > >> + > >> + This feature adds fork/exit overhead. So enable this only if > >> + you need resource controllers > > > > Do we really want to offer this option to people? It's rather a low-level > > thing and it's likely to cause more confusion than it's worth. Remember > > that most kernels get to our users via kernel vendors - to what will they > > be setting this config option? > > > > I suspect that this kernel option will not be explicitly set it. This option > will be selected by other config options (memory controller, swap namespace, > revoke*)
I believe that the way to do this is to not give the option a `help' section. Tht makes it a Kconfig-internal-only thing.
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