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SubjectRe: 2.6.21-rc4-mm1
On Tue, 20 Mar 2007 12:20:16 -0700 Kees Cook wrote:

> On Tue, Mar 20, 2007 at 10:31:51AM -0700, Randy Dunlap wrote:
> > LD .tmp_vmlinux1
> > kernel/built-in.o:(.data+0xfc0): undefined reference to `maps_protect'
> > make: *** [.tmp_vmlinux1] Error 1
> >
> > with CONFIG_PROC_FS=n
>
> Gah! Apologies. This should fix it, but I can't test it since I can't
> get 2.6.21-rc4-mm1 to compile (with or without this fix):
>
> GEN .version
> init/.missing_syscalls.h.cmd:2: *** missing separator. Stop.
> make: *** [.tmp_vmlinux1] Error 2
>
>
> Signed-off-by: Kees Cook <kees@outflux.net>

Yes, that works_for_me.

Acked-by: Randy Dunlap <randy.dunlap@oracle.com>

> ---
> diff -uNrp linux-2.6.21-rc4-mm1/kernel/sysctl.c linux-2.6.21-rc4-mm1-kees/kernel/sysctl.c
> --- linux-2.6.21-rc4-mm1/kernel/sysctl.c 2007-03-20 10:45:06.000000000 -0700
> +++ linux-2.6.21-rc4-mm1-kees/kernel/sysctl.c 2007-03-20 11:36:06.000000000 -0700
> @@ -77,9 +77,12 @@ extern int pid_max_min, pid_max_max;
> extern int sysctl_drop_caches;
> extern int percpu_pagelist_fraction;
> extern int compat_log;
> -extern int maps_protect;
> extern int print_fatal_signals;
>
> +#ifdef CONFIG_PROC_FS
> +extern int maps_protect;
> +#endif
> +
> #if defined(CONFIG_ADAPTIVE_READAHEAD)
> extern int readahead_ratio;
> extern int readahead_hit_rate;
> @@ -619,6 +622,7 @@ static ctl_table kern_table[] = {
> .proc_handler = &proc_dointvec,
> },
> #endif
> +#ifdef CONFIG_PROC_FS
> {
> .ctl_name = CTL_UNNUMBERED,
> .procname = "maps_protect",
> @@ -627,6 +631,7 @@ static ctl_table kern_table[] = {
> .mode = 0644,
> .proc_handler = &proc_dointvec,
> },
> +#endif
>
> { .ctl_name = 0 }
> };


---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
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