Merge git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-nommu

* git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-nommu:
  NOMMU: Support XIP on initramfs
  NOMMU: Teach kobjsize() about VMA regions.
  FLAT: Don't attempt to expand the userspace stack to fill the space allocated
  FDPIC: Don't attempt to expand the userspace stack to fill the space allocated
  NOMMU: Improve procfs output using per-MM VMAs
  NOMMU: Make mmap allocation page trimming behaviour configurable.
  NOMMU: Make VMAs per MM as for MMU-mode linux
  NOMMU: Delete askedalloc and realalloc variables
  NOMMU: Rename ARM's struct vm_region
  NOMMU: Fix cleanup handling in ramfs_nommu_get_umapped_area()

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 2e75478e9c69..d0a32aab03ff 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -512,6 +512,13 @@ config DEBUG_VIRTUAL
 
           If unsure, say N.
 
+config DEBUG_NOMMU_REGIONS
+        bool "Debug the global anon/private NOMMU mapping region tree"
+        depends on DEBUG_KERNEL && !MMU
+        help
+          This option causes the global tree of anonymous and private mapping
+          regions to be regularly checked for invalid topology.
+
 config DEBUG_WRITECOUNT
         bool "Debug filesystem writers count"
         depends on DEBUG_KERNEL