mm: Show mmi position in debug output

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
mm: Print unknown object name if been met in read_vmas

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
todo: Add notes about shared memory

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
mm: Rename vma_has_payload to vma_has_direct_payload

Payload may lay in inode area (for example in shared
anonymous maps).

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
mm: Drop redundant lines from write_file_map

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
mm: Update message in show_vma_cont

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
mm: Make write_page_block to accept start/end bounds

To copy pages associated with anonymous shared memory
I'll need to pass explicit bounds instead of vma.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
mm: Fix convertion of anonymous shared mappings

Anonymous shared mappings data is bound to inode payload,
take it into account when meet such VMA.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
todo: Update notes on shared vmas

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>