Re: what is the state of current after an mm_fault occurs?

From: Christoph Lameter
Date: Thu Jan 05 2006 - 15:29:21 EST


On Wed, 4 Jan 2006, Andrew Morton wrote:

> > You mean in some pagefault place we do schedule()?
>
> We used to - that should no longer be the case. The TASK_RUNNING thing is
> probably redundant now.

The page fault handler calls the page allocator in various places
which may sleep.

current may not point to the current process if the page fault handler was
called from get_user_pages.

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