3 files changed, 6 insertions, 12 deletions

diff --git a/arch/arm64/mm/mmap.c b/arch/arm64/mm/mmap.c
index 07937b49cb88..a38f54cd638c 100644
--- a/arch/arm64/mm/mmap.c
+++ b/arch/arm64/mm/mmap.c
@@ -5,20 +5,11 @@
  * Copyright (C) 2012 ARM Ltd.
  */
 
-#include <linux/elf.h>
-#include <linux/fs.h>
-#include <linux/memblock.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/export.h>
-#include <linux/shm.h>
-#include <linux/sched/signal.h>
-#include <linux/sched/mm.h>
 #include <linux/io.h>
-#include <linux/personality.h>
-#include <linux/random.h>
+#include <linux/memblock.h>
+#include <linux/types.h>
 
-#include <asm/cputype.h>
+#include <asm/page.h>
 
 /*
  * You really shouldn't be using read() or write() on /dev/mem.  This might go
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 617e704c980b..25af183e4bed 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -1094,6 +1094,7 @@ static void free_empty_tables(unsigned long addr, unsigned long end,
 int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
 		struct vmem_altmap *altmap)
 {
+	WARN_ON((start < VMEMMAP_START) || (end > VMEMMAP_END));
 	return vmemmap_populate_basepages(start, end, node, altmap);
 }
 #else	/* !ARM64_SWAPPER_USES_SECTION_MAPS */
@@ -1107,6 +1108,7 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
 	pud_t *pudp;
 	pmd_t *pmdp;
 
+	WARN_ON((start < VMEMMAP_START) || (end > VMEMMAP_END));
 	do {
 		next = pmd_addr_end(addr, end);
 
diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c
index 04137a8f3d2d..0e050d76b83a 100644
--- a/arch/arm64/mm/ptdump.c
+++ b/arch/arm64/mm/ptdump.c
@@ -324,6 +324,7 @@ void ptdump_walk(struct seq_file *s, struct ptdump_info *info)
 	st = (struct pg_state){
 		.seq = s,
 		.marker = info->markers,
+		.level = -1,
 		.ptdump = {
 			.note_page = note_page,
 			.range = (struct ptdump_range[]){