On Tue, 24 Apr 2007, Hugh Dickins wrote:
> I've not yet looked at the patch under discussion, but this remark
> prompts me... a couple of days ago I got very worried by the various
> hard-wired GFP_HIGHUSER allocations in mm/migrate.c and mm/mempolicy.c,
> and wondered how those would work out if someone has a blockdev mmap'ed.
I hope you are not confused by the fact that memory policies are only
ever applied to one zone on a node. This is either HIGHMEM or NORMAL.
There is no memory policy support for other than the highest zone.
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