Revert "mm: rename call_mmap/mmap_prepare to vfs_mmap/mmap_prepare"

JIRA: https://issues.redhat.com/browse/RHEL-116879

Upstream Status: RHEL only

This reverts commit 20ca475.

Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>

Author: anushasrivats

drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c

@@ -105,7 +105,7 @@ static int i915_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *
 	if (!obj->base.filp)
 		return -ENODEV;
 
-	ret = vfs_mmap(obj->base.filp, vma);
+	ret = call_mmap(obj->base.filp, vma);
 	if (ret)
 		return ret;