From: Christoph Lameter <clameter@engr.sgi.com>
To: Andrew Morton <akpm@osdl.org>
Cc: jeff shia <tshxiayu@gmail.com>, linux-kernel@vger.kernel.org
Subject: Re: what is the state of current after an mm_fault occurs?
Date: Thu, 5 Jan 2006 12:30:30 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.62.0601051228320.7328@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20060104192334.1e88cfda.akpm@osdl.org>
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.
next prev parent reply other threads:[~2006-01-05 20:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-04 10:40 jeff shia
2006-01-05 1:48 ` Andrew Morton
2006-01-05 3:20 ` jeff shia
2006-01-05 3:23 ` Andrew Morton
2006-01-05 20:30 ` Christoph Lameter [this message]
2006-01-05 23:18 ` Andrew Morton
2006-01-05 21:17 ` Ram Gupta
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