Re: [PATCH] mm: add resched points to remap_pmd_range/ioremap_pmd_range

[Michal Hocko]

On Thu 23-07-15 14:54:33, Spencer Baugh wrote:
> From: Joern Engel <joern@xxxxxxxxx>
> 
> Mapping large memory spaces can be slow and prevent high-priority
> realtime threads from preempting lower-priority threads for a long time.

How can a lower priority task block the high priority one? Do you have
preemption disabled?

[...]
-- 
Michal Hocko
SUSE Labs
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