Re: [PATCH] code clean rename alloc_pages_exact_node()

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On Tue, 13 Apr 2010, Mel Gorman wrote:

> This appears to be a valid bug fix.  I agree that the way things are structured
> that __GFP_THISNODE should be used in new_node_page(). But maybe a follow-on
> patch is also required. The behaviour is now;

What bug is being fixed? migrate_pages() is a best effort approach.
__GFP_THISNODE is used when allocation on a specific node is absolutely
required for correctness (as in SLAB).

> If -ENOMEM is returned from migrate_pages, should it not move to the next node?

Which it does now if you dont apply the "bugfix".

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