This constants are system wide, so move them to mem.h
header for reuse sake.
[ xemul: It was kerndat.h in the patch ]
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
The soft-dirty API has changed slightly -- now the bit in
question _is_ in pagemap file (not pagemap2) but to see it
we have to reset soft-dirty for anyone first.
Teach the kerndat soft-dirty checker this fact. The actual
pagemap reading code already knows select pagemap/pagemap2
file itself.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
With this action criu will seize tasks, grab all its memory into
page-pipes, rest dirty tracker and will then release them. Writing
the memory from page-pipes would occur after tasks are unfreezed
and thus the frozen time should become reasonably small.
When pre-dump is in action, the dirty tracking is forcedly turned
off as well as tasks are resumed afterwards, not killed, by default.
This is a prerequisite for iterative migration.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This is required for (soon to be) pre-dump command -- this command
will have to keep parasite args with pagemap (iovecs) some time after
parasite is executed. Since we call mprotect cmd _after_ pages dump
we can thus spoil these iovecs. To address this vmas to mprotect and
iovecs to dump are located in one parasite args area one after another
without intersections.
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
