lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 4 Oct 2007 18:02:02 +0400 From: Alexey Dobriyan <adobriyan@...ru> To: Pavel Emelyanov <xemul@...nvz.org> Cc: David Miller <davem@...emloft.net>, Linux Netdev List <netdev@...r.kernel.org>, devel@...nvz.org Subject: Re: [Devel] [PATCH][NETNS] Move some code into __init section when CONFIG_NET_NS=n On Thu, Oct 04, 2007 at 05:54:11PM +0400, Pavel Emelyanov wrote: > With the net namespaces many code leaved the __init section, > thus making the kernel occupy more memory than it did before. > Since we have a config option that prohibits the namespace > creation, the functions that initialize/finalize some netns > stuff are simply not needed and can be freed after the boot. > > Currently, this is almost not noticeable, since few calls > are no longer in __init, but when the namespaces will be > merged it will be possible to free more code. I propose to > use the __net_init, __net_exit and __net_initdata "attributes" > for functions/variables that are not used if the CONFIG_NET_NS > is not set to save more space in memory. > +#ifdef CONFIG_NET_NS > +#define __net_init > +#define __net_exit > +#define __net_initdata > +#else > +#define __net_init __init > +#define __net_exit __exit > +#define __net_initdata __initdata > +#endif Yet another set of double-underscored section annotations is the last thing that is needed, methinks. :) - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists