Re: replace MAX_MAP_COUNT with /proc/sys/vm/max_map_count

[Andrew Morton]

David Mosberger <davidm@xxxxxxxxxxxxxxxxx> wrote:
>
> Below is a warmed up version of a patch originally done by Werner
> Almesberger (see http://tinyurl.com/25zra) to replace the
> MAX_MAP_COUNT limit with a sysctl variable.

Fair enough.

>  int sysctl_overcommit_memory = 0;	/* default is heuristic overcommit */
>  int sysctl_overcommit_ratio = 50;	/* default is 50% */
> +int sysctl_max_map_count = DEFAULT_MAX_MAP_COUNT;
>  atomic_t vm_committed_space = ATOMIC_INIT(0);
>  
>  EXPORT_SYMBOL(sysctl_overcommit_memory);
>  EXPORT_SYMBOL(sysctl_overcommit_ratio);
> +EXPORT_SYMBOL(sysctl_max_map_count);
>  EXPORT_SYMBOL(vm_committed_space);

The SELinux guys may want to hook into this.  I assume that's why these
symbols are exported to modules at present?

Stephen, if my surmise is correct could you please prep the final patch?
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