[CRIU] [PATCH] predump: Spot the VDSO page/vma in victim task

[Cyrill Gorcunov]

On Tue, Jan 14, 2014 at 12:03:50PM +0400, Pavel Emelyanov wrote:
> While doing pre-dump we don't do proper VDSO fixups, thus at
> this stage we may fail the should_dump_page() checks -- it
> will tread VDSO pages are 'regular' and may skip dumping some
> of them.
> 
> This is not bad as is, but the subsequent dump will properly
> spot VDSO are and will try to dump _all_ pages from it. And
> if checks for soft-dirty will report that some pages are clean,
> dump will try to locate those in parent images and would fail.
> 
> Signed-off-by: Pavel Emelyanov <xemul at parallels.com>
Acked-by: Cyrill Gorcunov <gorcunov at openvz.org>