From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 12 Jan 2009 12:02:11 +0000 (+0100)
Subject: lockdep, mm: fix might_fault() annotation
X-Git-Tag: v2.6.29-rc2~89^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=95156f0051cba60ec674bbaa5cf7dc74a74c5612;p=pandora-kernel.git

lockdep, mm: fix might_fault() annotation

Some code (nfs/sunrpc) uses socket ops on kernel memory while holding
the mmap_sem, this is safe because kernel memory doesn't get paged out,
therefore we'll never actually fault, and the might_fault() annotations
will generate false positives.

Reported-by: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

Reading git-diff-tree failed