Re: [PATCH] huge tmpfs: fix Committed_AS leak

[Kirill A. Shutemov]

On Thu, Sep 22, 2016 at 10:37:03AM -0700, Hugh Dickins wrote:
> Under swapping load on huge tmpfs, /proc/meminfo's Committed_AS grows
> bigger and bigger: just a cosmetic issue for most users, but disabling
> for those who run without overcommit (/proc/sys/vm/overcommit_memory 2).
> 
> shmem_uncharge() was forgetting to unaccount __vm_enough_memory's charge,
> and shmem_charge() was forgetting it on the filesystem-full error path.
> 
> Fixes: 800d8c63b2e9 ("shmem: add huge pages support")
> Signed-off-by: Hugh Dickins <hughd@xxxxxxxxxx>

Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

-- 
 Kirill A. Shutemov