Merge branch 'akpm' (patches from Andrew)

Merge fixes from Andrew Morton:
 "6 patches.

  Subsystems affected by this patch series: mm/pagemap, scripts,
  MAINTAINERS, and h8300"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  h8300: fix PREEMPTION build, TI_PRE_COUNT undefined
  MAINTAINERS: add Andrey Konovalov to KASAN reviewers
  MAINTAINERS: update Andrey Konovalov's email address
  MAINTAINERS: update KASAN file list
  scripts/recordmcount.pl: support big endian for ARCH sh
  m68k: make __pfn_to_phys() and __phys_to_pfn() available for !MMU

MAINTAINERS

@@ -9561,14 +9561,16 @@ F:	drivers/hwmon/k8temp.c
 KASAN
 M:	Andrey Ryabinin <ryabinin.a.a@gmail.com>
 R:	Alexander Potapenko <glider@google.com>
+R:	Andrey Konovalov <andreyknvl@gmail.com>
 R:	Dmitry Vyukov <dvyukov@google.com>
 L:	kasan-dev@googlegroups.com
 S:	Maintained
 F:	Documentation/dev-tools/kasan.rst
-F:	arch/*/include/asm/kasan.h
+F:	arch/*/include/asm/*kasan.h
 F:	arch/*/mm/kasan_init*
 F:	include/linux/kasan*.h
-F:	lib/test_kasan.c
+F:	lib/Kconfig.kasan
+F:	lib/test_kasan*.c
 F:	mm/kasan/
 F:	scripts/Makefile.kasan
 
@@ -9583,7 +9585,7 @@ F:	scripts/kconfig/
 
 KCOV
 R:	Dmitry Vyukov <dvyukov@google.com>
-R:	Andrey Konovalov <andreyknvl@google.com>
+R:	Andrey Konovalov <andreyknvl@gmail.com>
 L:	kasan-dev@googlegroups.com
 S:	Maintained
 F:	Documentation/dev-tools/kcov.rst

arch/h8300/kernel/asm-offsets.c

@@ -63,6 +63,9 @@ int main(void)
 	OFFSET(TI_FLAGS, thread_info, flags);
 	OFFSET(TI_CPU, thread_info, cpu);
 	OFFSET(TI_PRE, thread_info, preempt_count);
+#ifdef CONFIG_PREEMPTION
+	DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count));
+#endif
 
 	return 0;
 }

arch/m68k/include/asm/page.h

@@ -62,7 +62,7 @@ extern unsigned long _ramend;
 #include <asm/page_no.h>
 #endif
 
-#ifdef CONFIG_DISCONTIGMEM
+#if !defined(CONFIG_MMU) || defined(CONFIG_DISCONTIGMEM)
 #define __phys_to_pfn(paddr)	((unsigned long)((paddr) >> PAGE_SHIFT))
 #define __pfn_to_phys(pfn)	PFN_PHYS(pfn)
 #endif

scripts/recordmcount.pl

@@ -265,7 +265,11 @@ if ($arch eq "x86_64") {
 
     # force flags for this arch
     $ld .= " -m shlelf_linux";
+    if ($endian eq "big") {
+        $objcopy .= " -O elf32-shbig-linux";
+    } else {
         $objcopy .= " -O elf32-sh-linux";
+    }
 
 } elsif ($arch eq "powerpc") {
     my $ldemulation;