On Tue, Feb 24, 2015 at 03:18:06PM -0800, David Rientjes wrote: > migrate_to_node() is intended to migrate a page from one source node to a > target node. > > Today, migrate_to_node() could end up migrating to any node, not only the > target node. This is because the page migration allocator, > new_node_page() does not pass __GFP_THISNODE to alloc_pages_exact_node(). > This causes the target node to be preferred but allows fallback to any > other node in order of affinity. > > Prevent this by allocating with __GFP_THISNODE. If memory is not > available, -ENOMEM will be returned as appropriate. > > Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx> Make sense to me. Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href