On Mon, Jul 09, 2012 at 09:46:39AM -0500, Nathan Zimmer wrote:

+static unsigned long shmem_interleave(struct vm_area_struct *vma,
+					unsigned long addr)
+{
+	unsigned long offset;
+
+	/* Use the vm_files prefered node as the initial offset. */
+	offset = (unsigned long *) vma->vm_private_data;

Should this be?:
	offset = (unsigned long)vma->vm_private_data;

offset is an unsigned long, not a pointer.  ->vm_private_data is a
void pointer.

It causes a GCC warning:
mm/shmem.c: In function a??shmem_interleavea??:
mm/shmem.c:1341:9: warning: assignment makes integer from pointer without a cast [enabled by default]

+
+	offset += ((addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
+
+	return offset;
+}
 #endif

regards,
dan carpenter

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