[CRIU] [PATCH 2/4] parasite: Enlighten parasite blob injection

[Pavel Emelyanov]

I don't like that we poke the parasite into remote space with 4k calls
to ptrace. Now we have the /proc/pid/map_files/ dir which helps us sharing
a mapping with some other process.

Use this -- map the remote area for parasite locally and put the parasite
blob into it with simple memcpy.

Signed-off-by: Pavel Emelyanov <xemul at parallels.com>

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