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Message-ID: <30031.1241619079@redhat.com>
Date: Wed, 06 May 2009 15:11:19 +0100
From: David Howells <dhowells@...hat.com>
To: Greg Ungerer <gerg@...pgear.com>
Cc: dhowells@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: BUG: failure at mm/nommu.c:518/add_nommu_region()
Can you try the attached patch, please?
David
---
From: David Howells <dhowells@...hat.com>
Subject: [PATCH] NOMMU: Don't check vm_region::vm_start is page aligned in add_nommu_region()
Don't check vm_region::vm_start is page aligned in add_nommu_region() because
the region may reflect some non-page-aligned mapped file, such as could be
obtained from RomFS XIP.
Signed-off-by: David Howells <dhowells@...hat.com>
---
mm/nommu.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)
diff --git a/mm/nommu.c b/mm/nommu.c
index cdc6f60..325706b 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -515,8 +515,6 @@ static void add_nommu_region(struct vm_region *region)
validate_nommu_regions();
- BUG_ON(region->vm_start & ~PAGE_MASK);
-
parent = NULL;
p = &nommu_region_tree.rb_node;
while (*p) {
--
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