Merge branch 'akpm' (patches from Andrew)

Merge more updates from Andrew Morton:
 "190 patches.

  Subsystems affected by this patch series: mm (hugetlb, userfaultfd,
  vmscan, kconfig, proc, z3fold, zbud, ras, mempolicy, memblock,
  migration, thp, nommu, kconfig, madvise, memory-hotplug, zswap,
  zsmalloc, zram, cleanups, kfence, and hmm), procfs, sysctl, misc,
  core-kernel, lib, lz4, checkpatch, init, kprobes, nilfs2, hfs,
  signals, exec, kcov, selftests, compress/decompress, and ipc"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (190 commits)
  ipc/util.c: use binary search for max_idx
  ipc/sem.c: use READ_ONCE()/WRITE_ONCE() for use_global_lock
  ipc: use kmalloc for msg_queue and shmid_kernel
  ipc sem: use kvmalloc for sem_undo allocation
  lib/decompressors: remove set but not used variabled 'level'
  selftests/vm/pkeys: exercise x86 XSAVE init state
  selftests/vm/pkeys: refill shadow register after implicit kernel write
  selftests/vm/pkeys: handle negative sys_pkey_alloc() return code
  selftests/vm/pkeys: fix alloc_random_pkey() to make it really, really random
  kcov: add __no_sanitize_coverage to fix noinstr for all architectures
  exec: remove checks in __register_bimfmt()
  x86: signal: don't do sas_ss_reset() until we are certain that sigframe won't be abandoned
  hfsplus: report create_date to kstat.btime
  hfsplus: remove unnecessary oom message
  nilfs2: remove redundant continue statement in a while-loop
  kprobes: remove duplicated strong free_insn_page in x86 and s390
  init: print out unknown kernel parameters
  checkpatch: do not complain about positive return values starting with EPOLL
  checkpatch: improve the indented label test
  checkpatch: scripts/spdxcheck.py now requires python3
  ...

8 files changed, 10 insertions, 16 deletions

diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index c72f52c704cd..c5fa7932b550 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -59,6 +59,7 @@ config SPARC32
 	select CLZ_TAB
 	select HAVE_UID16
 	select OLD_SIGACTION
+	select ZONE_DMA
 
 config SPARC64
 	def_bool 64BIT
@@ -141,10 +142,6 @@ config HIGHMEM
 	default y if SPARC32
 	select KMAP_LOCAL
 
-config ZONE_DMA
-	bool
-	default y if SPARC32
-
 config GENERIC_ISA_DMA
 	bool
 	default y if SPARC32
diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h
index 9d353e6dc5a9..4f73e87b22a3 100644
--- a/arch/sparc/include/asm/pgalloc_32.h
+++ b/arch/sparc/include/asm/pgalloc_32.h
@@ -51,7 +51,6 @@ static inline void free_pmd_fast(pmd_t * pmd)
 #define __pmd_free_tlb(tlb, pmd, addr)	pmd_free((tlb)->mm, pmd)
 
 #define pmd_populate(mm, pmd, pte)	pmd_set(pmd, pte)
-#define pmd_pgtable(pmd)		(pgtable_t)__pmd_page(pmd)
 
 void pmd_set(pmd_t *pmdp, pte_t *ptep);
 #define pmd_populate_kernel		pmd_populate
diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
index a8dafc550985..7b5561d17ab1 100644
--- a/arch/sparc/include/asm/pgalloc_64.h
+++ b/arch/sparc/include/asm/pgalloc_64.h
@@ -67,7 +67,6 @@ void pte_free(struct mm_struct *mm, pgtable_t ptepage);
 
 #define pmd_populate_kernel(MM, PMD, PTE)	pmd_set(MM, PMD, PTE)
 #define pmd_populate(MM, PMD, PTE)		pmd_set(MM, PMD, PTE)
-#define pmd_pgtable(PMD)			((pte_t *)pmd_page_vaddr(PMD))
 
 void pgtable_free(void *table, bool is_page);
 
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index a5cf79c149fe..ebaf374b55ab 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -48,7 +48,6 @@ unsigned long __init bootmem_init(unsigned long *pages_avail);
 #define PTRS_PER_PMD    	64
 #define PTRS_PER_PGD    	256
 #define USER_PTRS_PER_PGD	PAGE_OFFSET / PGDIR_SIZE
-#define FIRST_USER_ADDRESS	0UL
 #define PTE_SIZE		(PTRS_PER_PTE*4)
 
 #define PAGE_NONE	SRMMU_PAGE_NONE
@@ -433,4 +432,6 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
 /* We provide our own get_unmapped_area to cope with VA holes for userland */
 #define HAVE_ARCH_UNMAPPED_AREA
 
+#define pmd_pgtable(pmd)	((pgtable_t)__pmd_page(pmd))
+
 #endif /* !(_SPARC_PGTABLE_H) */
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 550d3904de65..e0ee48ec3903 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -95,9 +95,6 @@ bool kern_addr_valid(unsigned long addr);
 #define PTRS_PER_PUD	(1UL << PUD_BITS)
 #define PTRS_PER_PGD	(1UL << PGDIR_BITS)
 
-/* Kernel has a separate 44bit address space. */
-#define FIRST_USER_ADDRESS	0UL
-
 #define pmd_ERROR(e)							\
 	pr_err("%s:%d: bad pmd %p(%016lx) seen at (%pS)\n",		\
 	       __FILE__, __LINE__, &(e), pmd_val(e), __builtin_return_address(0))
@@ -377,8 +374,7 @@ static inline pgprot_t pgprot_noncached(pgprot_t prot)
 #define pgprot_noncached pgprot_noncached
 
 #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE)
-extern pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
-				struct page *page, int writable);
+pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags);
 #define arch_make_huge_pte arch_make_huge_pte
 static inline unsigned long __pte_default_huge_mask(void)
 {
@@ -1121,6 +1117,8 @@ extern unsigned long cmdline_memory_size;
 
 asmlinkage void do_sparc64_fault(struct pt_regs *regs);
 
+#define pmd_pgtable(PMD)	((pte_t *)pmd_page_vaddr(PMD))
+
 #ifdef CONFIG_HUGETLB_PAGE
 
 #define pud_leaf_size pud_leaf_size
diff --git a/arch/sparc/kernel/sstate.c b/arch/sparc/kernel/sstate.c
index ac8677c3841e..3bcc4ddc6911 100644
--- a/arch/sparc/kernel/sstate.c
+++ b/arch/sparc/kernel/sstate.c
@@ -6,6 +6,7 @@
 
 #include <linux/kernel.h>
 #include <linux/notifier.h>
+#include <linux/panic_notifier.h>
 #include <linux/reboot.h>
 #include <linux/init.h>
 
diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
index 04d8790f6c32..0f49fada2093 100644
--- a/arch/sparc/mm/hugetlbpage.c
+++ b/arch/sparc/mm/hugetlbpage.c
@@ -177,10 +177,8 @@ static pte_t hugepage_shift_to_tte(pte_t entry, unsigned int shift)
 		return sun4u_hugepage_shift_to_tte(entry, shift);
 }
 
-pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
-			 struct page *page, int writeable)
+pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags)
 {
-	unsigned int shift = huge_page_shift(hstate_vma(vma));
 	pte_t pte;
 
 	pte = hugepage_shift_to_tte(entry, shift);
@@ -188,7 +186,7 @@ pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma,
 #ifdef CONFIG_SPARC64
 	/* If this vma has ADI enabled on it, turn on TTE.mcd
 	 */
-	if (vma->vm_flags & VM_SPARC_ADI)
+	if (flags & VM_SPARC_ADI)
 		return pte_mkmcd(pte);
 	else
 		return pte_mknotmcd(pte);
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 06e938d03f3b..1b23639e2fcd 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -27,6 +27,7 @@
 #include <linux/percpu.h>
 #include <linux/mmzone.h>
 #include <linux/gfp.h>
+#include <linux/bootmem_info.h>
 
 #include <asm/head.h>
 #include <asm/page.h>