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Date: Thu, 6 Mar 2003 22:00:53 -0800
From: Andrew Morton <akpm@digeo.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: vandrove@vc.cvut.cz, helgehaf@aitel.hist.no, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] vm_area_struct slab corruption
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Hugh Dickins <hugh@veritas.com> wrote:
>
> If adding an extra arg, then the extra arg to add would be what Alan
> did in 2.4-ac, int acct to control whether it does the VM_ACCOUNTing.
> I resisted adding that (changing odd distant drivers), and I may have
> been wrong to do so.

This looks pretty simple?  Is it not just a matter of propagating that flag
down to unmap_region()?  I don't see where drivers and such are involved?