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 <rient...@google.com>
Make sense to me. Reviewed-by: Naoya Horiguchi <n-horigu...@ah.jp.nec.com>-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/