+ nommu-dont-check-vm_region-vm_start-is-page-aligned-in-add_nommu_region.patch added to -mm tree

+ nommu-dont-check-vm_region-vm_start-is-page-aligned-in-add_nommu_region.patch added to -mm tree

[akpm]

The patch titled
     nommu: don't check vm_region::vm_start is page aligned in add_nommu_region()
has been added to the -mm tree.  Its filename is
     nommu-dont-check-vm_region-vm_start-is-page-aligned-in-add_nommu_region.patch

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------------------------------------------------------
Subject: nommu: don't check vm_region::vm_start is page aligned in add_nommu_region()
From: David Howells <dhowells@redhat.com>

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@redhat.com>
Acked-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/nommu.c |    2 --
 1 file changed, 2 deletions(-)

diff -puN mm/nommu.c~nommu-dont-check-vm_region-vm_start-is-page-aligned-in-add_nommu_region mm/nommu.c
--- a/mm/nommu.c~nommu-dont-check-vm_region-vm_start-is-page-aligned-in-add_nommu_region
+++ a/mm/nommu.c
@@ -515,8 +515,6 @@ static void add_nommu_region(struct vm_r
 
 	validate_nommu_regions();
 
-	BUG_ON(region->vm_start & ~PAGE_MASK);