per-zone and reclaim enhancements for memory controller: nid/zid helper function for cgroup

Add macro to get node_id and zone_id of page_cgroup.  Will be used in
per-zone-xxx patches and others.

Signed-off-by: KAMEZAWA Hiroyuki <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: Balbir Singh <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Herbert Poetzl <[email protected]>
Cc: Kirill Korotaev <[email protected]>
Cc: Nick Piggin <[email protected]>
Cc: Paul Menage <[email protected]>
Cc: Pavel Emelianov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Vaidyanathan Srinivasan <[email protected]>
Cc: Rik van Riel <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions