Re: [PATCH 0/3 stable 4.9] proc/sysctl: prune stale dentries during unregistering

[Greg KH <greg@kroah.com>]

On Mon, Aug 13, 2018 at 12:08:15PM +0300, Mike Rapoport wrote:
> Hi,
> 
> These patches fix a memory leak in per-cpu areas in v4.9.y
> 
> The following command sequence
> 
> while :; do
>         c=$(docker create busybox)
>         docker start $c
>         docker stop $c
>         docker rm $c
> done
> 
> causes the number of pcpu_get_vm_area entries in /proc/vmallocinfo to grow.
> 
> The commit d6cffbbe9a7e ("proc/sysctl: prune stale dentries during
> unregistering") fixes the issue and the commits ace0c791e6c3 ("proc/sysctl:
> Don't grab i_lock under sysctl_lock.") and 2fd1d2c4ceb2 ("proc: Fix
> proc_sys_prune_dcache to hold a sb reference") are the follow-up fixups.
> 
> I've also checked v4.4 and the issue does not appear there.
> 
> Eric W. Biederman (2):
>   proc/sysctl: Don't grab i_lock under sysctl_lock.
>   proc: Fix proc_sys_prune_dcache to hold a sb reference
> 
> Konstantin Khlebnikov (1):
>   proc/sysctl: prune stale dentries during unregistering

What is the git commit ids of these patches that are in Linus's tree?  I
need those to be able to apply this.

thanks,

greg k-h