Re: [PATCH] huge tmpfs: fix Committed_AS leak

From	"Kirill A. Shutemov" <kirill@shutemov.name>
Newsgroups	linux.kernel
Subject	Re: [PATCH] huge tmpfs: fix Committed_AS leak
Date	2016-09-23 11:30 +0200
Message-ID	<skuXU-1R8-19@gated-at.bofh.it> (permalink)
References	<skhnX-1Bu-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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@google.com>

Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>

-- 
 Kirill A. Shutemov

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[PATCH] huge tmpfs: fix Committed_AS leak Hugh Dickins <hughd@google.com> - 2016-09-22 21:00 +0200
  Re: [PATCH] huge tmpfs: fix Committed_AS leak "Kirill A. Shutemov" <kirill@shutemov.name> - 2016-09-23 11:30 +0200

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