Messages in this thread | | | Date | Wed, 14 Nov 2007 08:58:46 -0600 | From | "Serge E. Hallyn" <> | Subject | Re: [PATCH 0/6] A config option to compile out some namespaces code (v4) |
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Quoting Pavel Emelyanov (xemul@openvz.org): > Change against v3: rebased on 2.6.24-rc2-mm1 > > There were some questions like "do I need this on my cellphone" > in reply to different namespaces patches. Indeed, the namespaces > are not useful for most of the embedded systems, but the code > creating and releasing them weights a lot. > > So I propose to add a config option which will help embedded > people to reduce the vmlinux size. This option simply compiles > out the namespaces cloning and releasing code *only*, but keeps > all the other logic untouched (e.g. the notion of init_ns). > > Moreover, some of the namespaces might be not 100% ready by > the time of Linux-2.6.xxx release (like user namespaces or pid > namespaces are now). Since each namespace has its own option, > which depends on the NAMESPACES, it can be mrked with "depends > on EXPERIMENTAL/BROKEN/ANYTHING_ELSE" not to release the > functionality that is not 100% ready yet. > > When someone tries to clone some namespace with their support > turned off, he will receive an EINVAL error. > > This patchset can save more than 2KB from the vmlinux when > turning the config option "NAMESPACES" to "n". > > Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Pretty sure I did this a few versions ago, but
Acked-by: Serge Hallyn <serue@us.ibm.com>
for the whole set.
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