From 37377a96cbcff6a8871a8dbde04a38e34e1e30f9 Mon Sep 17 00:00:00 2001 From: "Liam R. Howlett" Date: Tue, 23 Feb 2021 10:52:01 -0500 Subject: [PATCH] mm: Restore rb_node to vm_region. nommu uses the rb tree for overlapped shared regions Signed-off-by: Liam R. Howlett --- include/linux/mm_types.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 626e2843d092..fafd292c0c8e 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -272,6 +272,7 @@ typedef unsigned long vm_flags_t; * map parts of them. */ struct vm_region { + struct rb_node vm_rb; /* link in global region tree */ vm_flags_t vm_flags; /* VMA vm_flags */ unsigned long vm_start; /* start address of region */ unsigned long vm_end; /* region initialised to here */ -- 2.50.1