[PATCH] NOMMU: Hide vm_mm in NOMMU mode

[David Howells]

From: David Howells <dhowells@xxxxxxxxxx>

Hide struct vm_area_struct::vm_mm when in NOMMU mode as this isn't used there.

Signed-Off-By: David Howells <dhowells@xxxxxxxxxx>
---

 include/linux/mm.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 60e0e4a..ba394e7 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -58,7 +58,9 @@ extern int sysctl_legacy_va_layout;
  * library, the executable area etc).
  */
 struct vm_area_struct {
+#ifdef CONFIG_MMU
 	struct mm_struct * vm_mm;	/* The address space we belong to. */
+#endif
 	unsigned long vm_start;		/* Our start address within vm_mm. */
 	unsigned long vm_end;		/* The first byte after our end address
 					   within vm_mm. */
-
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